CVE-2025-51390 Command injection in n/a

Critical 9.8 Published 4 Aug 2025 Updated 5 Jul 2026

Attackers can execute arbitrary commands on TOTOLINK N600R routers via the pin parameter in the setWiFiWpsConfig function.

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-2025-51390?

CVE-2025-51390 is a critical command injection vulnerability in n/a, published on 4 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a command injection vulnerability via the pin parameter in the setWiFiWpsConfig function.

Weakness: CWE-78

Which versions are affected by CVE-2025-51390?

It affects 1 product.

Products include Totolink N600r Firmware.

How do I fix CVE-2025-51390?

No fix has been published for CVE-2025-51390 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-2025-51390 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51390 exists.

Sources

Also known as GHSA-mxgh-9h4r-vp5w.