{"id":"CVE-2026-127276","title":"Linksys EA8100 Web UI cookie httponly flag","summary":"A vulnerability was identified in Linksys EA8100 1.0.3.216940. Impacted is an unknown function of the component Web UI. Such manipulation leads to cookie without 'httponly' flag. It is possible to launch the attack remotely. This attack …","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C","cvssSource":"cna","cwe":["CWE-1004","CWE-732"],"vendor":"Linksys","product":"EA8100","affected":["EA8100 1.0.3.216940"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-13T00:40:24.372290Z"},"exploitAvailable":true,"published":"2026-11-13","updated":"2026-11-13","sourceUpdated":"2026-11-13T00:40:37.116Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-127276","references":[{"url":"https://vuldb.com/vuln/436431","label":"VDB-436431 | Linksys EA8100 Web UI cookie httponly flag"},{"url":"https://vuldb.com/vuln/436431/cti","label":"VDB-436431 | CTI Indicators (IOB, IOC)"},{"url":"https://vuldb.com/cve/CVE-2026-127276","label":"CVE-2026-127276 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1040998","label":"Submit #1040998 | Linksys EA8100 Router firmware 1.0.3.216940 Insufficiently Protected Credentials"},{"url":"https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-4-admin-credential-stored-in-a-non-httponly-cookie-admin-auth"},{"url":"https://www.linksys.com/"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-13T01:19:02.065Z","slug":"CVE-2026-127276","body":"## Overview\n\nA vulnerability was identified in Linksys EA8100 1.0.3.216940. Impacted is an unknown function of the component Web UI. Such manipulation leads to cookie without 'httponly' flag. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.\n\n## Affected\n\n- `EA8100 1.0.3.216940`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":32,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}