CVE-2025-28039 Command injection in n/a

Critical 9.8 Published 22 Apr 2025 Updated 22 Apr 2025

Attackers can execute arbitrary commands remotely on TOTOLINK EX1200T routers via the FileName parameter in the firmware upgrade 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-2025-28039?

CVE-2025-28039 is a critical command injection vulnerability in n/a, published on 22 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the setUpgradeFW function through the FileName parameter.

Weakness: CWE-78

Which versions are affected by CVE-2025-28039?

It affects 1 product.

Products include Totolink Ex1200t Firmware.

How do I fix CVE-2025-28039?

No fix has been published for CVE-2025-28039 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-2025-28039 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-28039 exists.

Sources

Also known as GHSA-xv7x-v825-68c4.