{"id":"CVE-2026-127273","title":"Linksys EA8100 JNAP API IsAdminPasswordDefault missing authentication","summary":"A vulnerability has been found in Linksys EA8100 1.0.3.216940. This affects the function GetWANStatus/GetWANStatus3/IsAdminPasswordDefault of the component JNAP API. The manipulation leads to missing authentication. The attack is possibl…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C","cvssSource":"cna","cwe":["CWE-306","CWE-287"],"vendor":"Linksys","product":"EA8100","affected":["EA8100 1.0.3.216940"],"published":"2026-11-12","updated":"2026-11-12","sourceUpdated":"2026-11-12T23:15:19.116Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-127273","references":[{"url":"https://vuldb.com/vuln/436428","label":"VDB-436428 | Linksys EA8100 JNAP API IsAdminPasswordDefault missing authentication"},{"url":"https://vuldb.com/vuln/436428/cti","label":"VDB-436428 | CTI Indicators (IOB, IOC, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-127273","label":"CVE-2026-127273 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1040994","label":"Submit #1040994 | Linksys EA8100 Router 1.0.3.216940 Missing Authentication"},{"url":"https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-1-unauthenticated-network-reconnaissance-via-getwanstatusgetwanstatus3isadminpassworddefault-exploitable-cross-origin-via-dns-rebinding"},{"url":"https://www.linksys.com/"}],"tags":["cve.org"],"ingestedAt":"2026-11-13T00:18:16.521Z","slug":"CVE-2026-127273","body":"## Overview\n\nA vulnerability has been found in Linksys EA8100 1.0.3.216940. This affects the function GetWANStatus/GetWANStatus3/IsAdminPasswordDefault of the component JNAP API. The manipulation leads to missing authentication. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may 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":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}