CVE-2025-45490 Command injection in n/a

Medium 6.5 Published 6 May 2025 Updated 6 May 2025

Attackers can execute arbitrary commands on Linksys E5600 routers via the DynDNS password parameter.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-45490?

CVE-2025-45490 is a medium-severity command injection vulnerability in n/a, published on 6 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus DynDNS function via the password parameter.

Weakness: CWE-77

Which versions are affected by CVE-2025-45490?

It affects 1 product.

Products include Linksys E5600 Firmware.

How do I fix CVE-2025-45490?

No fix has been published for CVE-2025-45490 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-2025-45490 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-45490 exists.

Sources

Also known as GHSA-phr9-h376-r6rq.