CVE-2026-25832

{"id": "CVE-2026-25832", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25832", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-14T15:59:33.992126Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.2}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "TrustedFirmware", "product": "Mbed TLS", "versions": [{"status": "affected", "version": "3.5.0", "lessThan": "3.6.7", "versionType": "semver"}, {"status": "affected", "version": "4.0.0", "lessThan": "4.1.2", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-14T07:17:16.490", "references": [{"url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/", "source": "cve@mitre.org"}, {"url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-tls13-hrr-unadvertised-group/", "source": "cve@mitre.org"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-669"}]}], "descriptions": [{"lang": "en", "value": "In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group."}], "lastModified": "2026-09-14T17:17:43.637", "sourceIdentifier": "cve@mitre.org"}