CVE-2026-105286 Totolink A3002MU File Upload formUploadFile sub_44B250 path traversal
Remote attackers can exploit a path traversal vulnerability in the file upload handler to read or modify arbitrary files on the router.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-105286?
CVE-2026-105286 is a medium-severity path traversal vulnerability in Totolink A3002MU, published on 5 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was detected in Totolink A3002MU 1.0.0-B20230403.1455. This impacts the function sub_44B250 of the file /boafrm/formUploadFile of the component File Upload Handler. The manipulation of the argument filename results in path traversal. The attack can be executed remotely. The exploit is now public and may be used.
Weakness: CWE-22
Which versions are affected by CVE-2026-105286?
How do I fix CVE-2026-105286?
No fix has been published for CVE-2026-105286 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-2026-105286 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-105286 exists.
Sources
Also known as GHSA-hmhp-7248-f7fj.