CVE-2026-108895 Linksys E1700 setDMZ os command injection
Remote attackers can execute arbitrary OS commands via the setDMZ function in Linksys E1700 routers due to improper input validation.
- 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-2026-108895?
CVE-2026-108895 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 weakness has been identified in Linksys E1700 1.0.0.4.003. The affected element is the function setDMZ of the file /goform/setDMZ. Executing a manipulation of the argument MAC_addr can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could 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-2026-108895?
How do I fix CVE-2026-108895?
No fix has been published for CVE-2026-108895 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-2026-108895 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108895 exists.
Sources
Also known as GHSA-v6gp-cmwg-49h5.