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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linksys:wrt54gl_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "AC08DC7C-7FBB-4CD6-89F1-7F4997BC9CAE", "versionEndIncluding": "4.30.18.006", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:linksys:wrt54gl:-:*:*:*:*:*:*:*", "matchCriteriaId": "04AA9149-2F72-4585-8A41-66AE3D573197", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action."}, {"lang": "es", "value": "Existe una vulnerabilidad de desreferencia de puntero nulo en el router Linksys WRT54GL Wireless-G Broadband con firmware &lt;= 4.30.18.006. Un atacante no autenticado puede desencadenar una desreferencia de puntero nulo en la funci\u00f3n SOAP_action dentro del binario upnp a trav\u00e9s de una solicitud POST maliciosa que invoca la acci\u00f3n AddPortMapping."}], "id": "CVE-2022-43972", "lastModified": "2024-11-21T07:27:27.420", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-01-09T21:15:10.920", "references": [{"source": "trellixpsirt@trellix.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/73-1lhvJPNg"}, {"source": "trellixpsirt@trellix.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/RfWVYCUBNZ0"}, {"source": "trellixpsirt@trellix.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/TeWAmZaKQ_w"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/73-1lhvJPNg"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/RfWVYCUBNZ0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/TeWAmZaKQ_w"}], "sourceIdentifier": "trellixpsirt@trellix.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "trellixpsirt@trellix.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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