[ CVE-2026-108894 · Published 12 Oct 2026 ]

Vulnerability in Linksys E1700

CVSS 9.9 EPSS 2%No fix listed yet

[ Why it matters ]Priority signals

  • Public proof-of-concept exploit exists (CISA SSVC)
  • Critical severity: CVSS 9.9

[ Description ]Official description

A security flaw has been discovered in Linksys E1700 1.0.0.4.003. Impacted is the function addStaticRoute of the file /goform/addStaticRoute of the component Static Route Handler. Performing a manipulation of the argument staticRoute_IP_setting/staticRoute_Netmask_setting/staticRoute_Gateway_setting/staticRoute_Metric_setting results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.