CVE-2025-55901 Command injection in n/a

Medium 6.5 Published 15 Dec 2025 Updated 15 Dec 2025

Attackers can execute arbitrary commands on TOTOLINK A3300R routers via the NTP host_time parameter.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-55901?

CVE-2025-55901 is a medium-severity command injection vulnerability in Totolink A3300r Firmware, published on 15 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

TOTOLINK A3300R V17.0.0cu.596_B20250515 is vulnerable to command injection in the function NTPSyncWithHost via the host_time parameter.

Weakness: CWE-77

Which versions are affected by CVE-2025-55901?

It affects 1 product.

Products include Totolink A3300r Firmware.

How do I fix CVE-2025-55901?

No fix has been published for CVE-2025-55901 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-2025-55901 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55901 exists.

All Totolink A3300r Firmware vulnerabilities

Sources

Also known as GHSA-v326-89w4-85qq.