CVE-2025-55895 Missing authorization in n/a

Critical 9.1 Published 15 Dec 2025 Updated 16 Dec 2025

Attackers can access router interfaces without authentication due to incorrect access control, bypassing security restrictions.

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-2025-55895?

CVE-2025-55895 is a critical missing authorization vulnerability in Totolink A3300r Firmware, published on 15 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).

Weakness: CWE-284

Which versions are affected by CVE-2025-55895?

It affects 2 products.

Products include Totolink A3300r Firmware, Totolink N200re Firmware.

How do I fix CVE-2025-55895?

No fix has been published for CVE-2025-55895 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-55895 being exploited?

There is no known exploitation of CVE-2025-55895 in the wild and no public exploit code.

All Totolink A3300r Firmware vulnerabilities

Sources

Also known as GHSA-m6vv-4wpw-vqfc.