{"id":"CVE-2026-51689","aliases":["EUVD-2026-68584","GHSA-68j6-9q5v-hxhw"],"status":"published","title":"Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows...","description":"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.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00618,"percentile":0.49942,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-08-31T00:00:00Z","modified":"2026-09-02T18:31:59Z","references":[{"url":"https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html"},{"url":"https://www.totolink.net/"},{"url":"https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md"},{"url":"https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-51689"},{"url":"https://www.totolink.net"},{"url":"https://github.com/advisories/GHSA-68j6-9q5v-hxhw"}],"sources":{"cve":[{"id":"CVE-2026-51689","description":"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.","status":"published","published":"2026-08-31T00:00:00Z","modified":"2026-09-02T16:03:38.17Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:39:50.160666Z"}],"euvd":[{"id":"EUVD-2026-68584","description":"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.","status":"published","published":"2026-08-31T00:00:00Z","modified":"2026-09-02T16:03:38Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:15.092584Z"}],"ghsa":[{"id":"GHSA-68j6-9q5v-hxhw","title":"Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows...","description":"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.","status":"published","published":"2026-08-31T15:34:46Z","modified":"2026-09-02T18:31:59Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:11:17.291346Z"}],"nvd":[{"id":"CVE-2026-51689","description":"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.","status":"published","published":"2026-08-31T15:17:20.413Z","modified":"2026-09-02T16:17:16.167Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:42.691315Z"}]}}