CVE-2025-44655 Path traversal in n/a

Critical 9.8 Published 21 Jul 2025 Updated 5 Jul 2026

Misconfigured vsftpd chroot settings in TOTOLink routers allow attackers to access system files and escalate privileges.

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-2025-44655?

CVE-2025-44655 is a critical path traversal vulnerability in n/a, published on 21 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, the chroot_local_user option is enabled in the vsftpd.conf. This could lead to unauthorized access to system files, privilege escalation, or use of the compromised server as a pivot point for internal network attacks.

Weakness: CWE-266

Which versions are affected by CVE-2025-44655?

It affects 3 products.

Products include Totolink A7100ru Firmware, Totolink A950rg Firmware, Totolink T10 Firmware.

How do I fix CVE-2025-44655?

No fix has been published for CVE-2025-44655 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-44655 being exploited?

There is no known exploitation of CVE-2025-44655 in the wild and no public exploit code.

Sources

Also known as GHSA-c4ww-38fc-m44w.