CVE-2025-45931 Command injection in n/a

Critical 9.8 Published 30 Jun 2025 Updated 5 Jul 2026

Remote attackers can execute arbitrary code on D-Link DIR-816 routers via a command injection vulnerability in the goahead binary.

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-2025-45931?

CVE-2025-45931 is a critical command injection vulnerability in Dlink Dir-816 Firmware, published on 30 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue D-Link DIR-816-A2 DIR-816A2_FWv1.10CNB05_R1B011D88210 allows a remote attacker to execute arbitrary code via system() function in the bin/goahead file

Weakness: CWE-77

Which versions are affected by CVE-2025-45931?

It affects 1 product.

Products include Dlink Dir-816 Firmware.

How do I fix CVE-2025-45931?

No fix has been published for CVE-2025-45931 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-2025-45931 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-45931 exists.

All Dlink Dir-816 Firmware vulnerabilities

Sources

Also known as GHSA-9jfw-xxf9-x4vw.