CVE-2022-38546 - OpenCVE

A DNS misconfiguration was found in Zyxel NBG7510 firmware versions prior to V1.00(ABZY.3)C0, which could allow an unauthenticated attacker to access the DNS server when the device is switched to the AP mode.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Zyxel	Nbg7510 Nbg7510 Firmware

Configuration 1 [-]

AND

cpe:2.3:h:zyxel:nbg7510:-:*:*:*:*:*:*:*

cpe:2.3:o:zyxel:nbg7510_firmware:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router

History

No history.

MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2022-12-21T00:00:00

Updated: 2024-08-03T10:54:03.937Z

Reserved: 2022-08-22T00:00:00

Link: CVE-2022-38546

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2022-12-21T02:15:11.463

Modified: 2022-12-29T18:33:17.840

Link: CVE-2022-38546

Redhat

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:nbg7510:-:*:*:*:*:*:*:*", "matchCriteriaId": "98CB675F-DF0C-46C3-B206-CCFF407D2BA6", "vulnerable": false}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:nbg7510_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABF003BA-8126-49C0-BFB1-8B8C3A278C71", "versionEndIncluding": "1.00\\(abzy.2\\)c0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A DNS misconfiguration was found in Zyxel NBG7510 firmware versions prior to V1.00(ABZY.3)C0, which could allow an unauthenticated attacker to access the DNS server when the device is switched to the AP mode."}, {"lang": "es", "value": "Se encontr\u00f3 una configuraci\u00f3n incorrecta de DNS en las versiones de firmware del Zyxel NBG7510 anteriores a la V1.00(ABZY.3)C0, lo que podr\u00eda permitir que un atacante no autenticado acceda al servidor DNS cuando el dispositivo cambia al modo AP."}], "id": "CVE-2022-38546", "lastModified": "2022-12-29T18:33:17.840", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@zyxel.com.tw", "type": "Secondary"}]}, "published": "2022-12-21T02:15:11.463", "references": [{"source": "security@zyxel.com.tw", "tags": ["Vendor Advisory"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router"}], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-284"}], "source": "security@zyxel.com.tw", "type": "Secondary"}]}