CVE-2026-3439

{"id": "CVE-2026-3439", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "published": "2026-03-04T10:16:08.150", "references": [{"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001", "tags": ["Vendor Advisory"], "source": "PSIRT@sonicwall.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "PSIRT@sonicwall.com", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer basado en pila post-autenticaci\u00f3n en el manejo de certificados de SonicOS permite a un atacante remoto colapsar un cortafuegos."}], "lastModified": "2026-03-05T18:03:11.943", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C263643A-0274-47CF-881F-59CEF6B8A20A", "versionEndExcluding": "7.3.2-7010"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:sonicwall:nsa_2700:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8D8B0C7A-FD65-47CA-A625-150A90EFA7A1"}, {"criteria": "cpe:2.3:h:sonicwall:nsa_3700:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A69E000B-5806-46FD-A233-4E2CC9DD38D2"}, {"criteria": "cpe:2.3:h:sonicwall:nsa_4700:-:*:*:*:*:*:*:*", "vulnerable": 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