CVE-2026-51689

{"id": "CVE-2026-51689", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-51689", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-02T15:18:35.802687Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2026-08-31T15:17:20.413", "references": [{"url": "https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md", "source": "cve@mitre.org"}, {"url": "https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md", "source": "cve@mitre.org"}, {"url": "https://www.totolink.net/", "source": "cve@mitre.org"}, {"url": "https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi."}], "lastModified": "2026-09-02T16:17:16.167", "sourceIdentifier": "cve@mitre.org"}