{"id":"CVE-2026-127274","title":"Linksys EA8100 CheckAdminPassword excessive authentication","summary":"A vulnerability was found in Linksys EA8100 1.0.3.216940. This vulnerability affects unknown code of the file /jnap/core/CheckAdminPassword. The manipulation results in improper restriction of excessive authentication attempts. The attac…","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-307","CWE-799"],"vendor":"Linksys","product":"EA8100","affected":["EA8100 1.0.3.216940"],"published":"2026-11-12","updated":"2026-11-12","sourceUpdated":"2026-11-12T23:30:14.359Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-127274","references":[{"url":"https://vuldb.com/vuln/436429","label":"VDB-436429 | Linksys EA8100 CheckAdminPassword excessive authentication"},{"url":"https://vuldb.com/vuln/436429/cti","label":"VDB-436429 | CTI Indicators (IOB, IOC, TTP, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-127274","label":"CVE-2026-127274 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1040995","label":"Submit #1040995 | Linksys EA8100 Router firmware 1.0.3.216940 Improper Restriction of Excessive Authentication Attempts"},{"url":"https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-2-no-rate-limiting-or-lockout-on-admin-authentication-jnap-checkadminpassword"},{"url":"https://www.linksys.com/"}],"tags":["cve.org"],"ingestedAt":"2026-11-13T00:18:16.523Z","slug":"CVE-2026-127274","body":"## Overview\n\nA vulnerability was found in Linksys EA8100 1.0.3.216940. This vulnerability affects unknown code of the file /jnap/core/CheckAdminPassword. The manipulation results in improper restriction of excessive authentication attempts. The attack may be performed from remote. The attack requires a high level of complexity. It is stated that the exploitability is difficult. The exploit has been made public and could 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":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}