CVE-2026-108894: Linksys E1700 Static Route addStaticRoute os command injection
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 staticRouteIPsetting/staticRouteNetmasksetting/staticRouteGatewaysetting/staticRouteMetricsetting 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.
Affected Software
Event History
Frequently Asked Questions
Which deployments are known to be affected?
The affected product and version identified in the advisory are Linksys E1700 1.0.0.4.003. The issue is in the Static Route Handler endpoint at /goform/addStaticRoute.
What access does an attacker need to exploit this issue?
Exploitation can be performed remotely and does not require user interaction. The provided severity vector indicates that the attacker needs low-level privileges, although the description does not identify the specific account or interface requirements.
Which inputs are involved in the command injection?
The vulnerable addStaticRoute function can be manipulated through staticRoute_IP_setting, staticRoute_Netmask_setting, staticRoute_Gateway_setting, and staticRoute_Metric_setting. Crafted values in these arguments can result in operating-system command injection.
Is public exploit code available?
Yes. The disclosure states that an exploit has been publicly released and may be used in attacks.
Is a vendor fix available?
The provided information does not identify a fix or mitigation. It states that the vendor was contacted early but did not respond.