CVE-2026-127276: medium-severity vulnerability in Linksys EA8100
Linksys EA8100 Web UI cookie httponly flag
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
10Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3
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 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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
Linksys · EA8100Related CVEs — Linksys EA8100
In the same product, most dangerous first.
CVE-2026-127277CRITICALLinksys EA8100 SMB Service service_smbd.sh initializationEPSS —CVE-2026-127275CRITICALLinksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authenticationEPSS —CVE-2026-127274MEDIUMLinksys EA8100 CheckAdminPassword excessive authenticationEPSS —CVE-2026-127273MEDIUMLinksys EA8100 JNAP API IsAdminPasswordDefault missing authenticationEPSS —