{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-22316", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "state": "PUBLISHED", "assignerShortName": "CERTVDE", "dateReserved": "2026-01-07T11:49:15.177Z", "datePublished": "2026-03-18T07:33:31.584Z", "dateUpdated": "2026-03-18T07:33:31.584Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "FL SWITCH 2005", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2008", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2016", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2105", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2108", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2116", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2204-2TC-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2205", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2206-2FX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2206-2FX SM", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2206-2FX SM ST", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2206-2FX ST", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2206-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2206-2SFX PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2206C-2FX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2207-FX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2207-FX SM", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2208", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2208 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2208C", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2212-2TC-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2214-2FX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2214-2FX SM", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2214-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2214-2SFX PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2216", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2216 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2304-2GC-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2306-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2306-2SFP PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2308", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2308 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2312-2GC-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2314-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2314-2SFP PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2316", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2316 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2404-2TC-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2406-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2406-2SFX PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2408", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2408 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2412-2TC-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2414-2SFX", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2414-2SFX PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2416", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2416 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2504-2GC-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2506-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2506-2SFP PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2508", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2508 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2512-2GC-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2514-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2514-2SFP PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2516", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2516 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2608", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2608 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2708", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2708 PN", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2303-8SP1", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL NAT 2008", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL NAT 2208", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL NAT 2304-2GC-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2008F", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2316/K1", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2506-2SFP/K1", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 2508/K1", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH TSN 2316", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH TSN 2312-2GC-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH TSN 2314-2SFP", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 5924-4GC", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 5916-8GC-4SFP+", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 5924SFP-4GC", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 5924-4SFP+", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FL SWITCH 5916SFP-8GC-4SFP+", "vendor": "Phoenix Contact", "versions": [{"lessThan": "3.53", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Gabriele Quagliarella from Nozomi Networks"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A remote attacker with user privileges for the webUI can use the setting of the TFTP Filename with a POST Request to trigger a stack-based Buffer Overflow, resulting in a DoS attack.<br>"}], "value": "A remote attacker with user privileges for the webUI can use the setting of the TFTP Filename with a POST Request to trigger a stack-based Buffer Overflow, resulting in a DoS attack."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2026-03-18T07:33:31.584Z"}, "references": [{"url": "https://certvde.com/de/advisories/VDE-2025-104"}], "source": {"advisory": "VDE-2025-104", "defect": ["CERT@VDE#641898"], "discovery": "UNKNOWN"}, "title": "Buffer Overflow using TFTP Filename", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}
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