CVE-2026-108894 Linksys E1700 Static Route addStaticRoute os command injection
Remote attackers can execute arbitrary OS commands on Linksys E1700 routers via the static route configuration interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108894?
CVE-2026-108894 is a critical command injection vulnerability in Linksys E1700, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-108894?
How do I fix CVE-2026-108894?
No fix has been published for CVE-2026-108894 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-108894 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108894 exists.
Sources
Also known as GHSA-j99r-fjcg-jggx.