CVE-2026-127273: fallo de gravedad media en Linksys EA8100
Linksys EA8100 JNAP API IsAdminPasswordDefault missing authentication
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
10Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.3
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 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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Productos afectados
Linksys · EA8100CVEs relacionadas — Linksys EA8100
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-127277CRITICALLinksys EA8100 SMB Service service_smbd.sh initializationEPSS —CVE-2026-127276MEDIUMLinksys EA8100 Web UI cookie httponly flagEPSS —CVE-2026-127275CRITICALLinksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authenticationEPSS —CVE-2026-127274MEDIUMLinksys EA8100 CheckAdminPassword excessive authenticationEPSS —
Referencias
https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-1-unauthenticated-network-reconnaissance-via-getwanstatusgetwanstatus3isadminpassworddefault-exploitable-cross-origin-via-dns-rebindinghttps://vuldb.com/cve/CVE-2026-127273https://vuldb.com/submit/1040994https://vuldb.com/vuln/436428https://vuldb.com/vuln/436428/ctihttps://www.linksys.com/