CVE-2025-52089 Auth bypass in n/a
An authenticated attacker can exploit a hidden remote support feature with a static secret to execute arbitrary OS commands with root privileges on TOTOLINK N300RB routers.
- 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-2025-52089?
CVE-2025-52089 is a high-severity authentication bypass vulnerability in n/a, published on 11 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A hidden remote support feature protected by a static secret in TOTOLINK N300RB firmware version 8.54 allows an authenticated attacker to execute arbitrary OS commands with root privileges.
Weakness: CWE-306
Which versions are affected by CVE-2025-52089?
It affects 1 product.
Products include Totolink N300rb Firmware.
How do I fix CVE-2025-52089?
No fix has been published for CVE-2025-52089 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-52089 being exploited?
There is no known exploitation of CVE-2025-52089 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-qq76-g6vx-4jqg.