CVE-2026-127275: fallo crítico en Linksys EA8100
Linksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authentication
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
25Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 10
A vulnerability was determined in Linksys EA8100 1.0.3.216940. This issue affects the function SetRemoteSetting/SetUnsecuredWiFiWarning of the file ui_server.lua of the component JNAP API. This manipulation of the argument isEnabled/enabled causes missing authentication. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. 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:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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-2026-127274MEDIUMLinksys EA8100 CheckAdminPassword excessive authenticationEPSS —CVE-2026-127273MEDIUMLinksys EA8100 JNAP API IsAdminPasswordDefault missing authenticationEPSS —
Referencias
https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-3-unauthenticated-write-access-to-remote-management-pairing-state-and-unsecured-wifi-warning-flaghttps://vuldb.com/cve/CVE-2026-127275https://vuldb.com/submit/1040997https://vuldb.com/vuln/436430https://vuldb.com/vuln/436430/ctihttps://www.linksys.com/