{"id":"CVE-2026-51739","aliases":["EUVD-2026-68742","GHSA-5jxr-hwh6-cf5p"],"status":"published","title":"Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu...","description":"Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00433,"percentile":0.37906,"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":"2026-09-01T21:31:35Z","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-2026-51739"},{"url":"https://www.totolink.net"},{"url":"https://github.com/advisories/GHSA-5jxr-hwh6-cf5p"}],"sources":{"cve":[{"id":"CVE-2026-51739","description":"Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi.","status":"published","published":"2026-08-31T00:00:00Z","modified":"2026-09-01T18:50:22.391Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:39:39.001586Z"}],"euvd":[{"id":"EUVD-2026-68742","description":"Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi.","status":"published","published":"2026-08-31T00:00:00Z","modified":"2026-09-01T18:50:22Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:16.851436Z"}],"ghsa":[{"id":"GHSA-5jxr-hwh6-cf5p","title":"Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu...","description":"Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi.","status":"published","published":"2026-08-31T21:32:11Z","modified":"2026-09-01T21:31:35Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:11:14.651489Z"}],"nvd":[{"id":"CVE-2026-51739","description":"Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi.","status":"published","published":"2026-08-31T20:17:05.21Z","modified":"2026-09-01T19:17:23.507Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:42.691315Z"}]}}