CVE-2024-8256 Incorrect Permission Assignment in RutOS based routers and TSWOS based managed switches

Medium 5.9 Published Updated

A lower-privileged user can access critical device resources via the API due to incorrect permission handling in Teltonika RUTOS and TSWOS devices.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-8256?

CVE-2024-8256 is a medium-severity missing authorization vulnerability in Teltonika Networks RUTOS, published on 10 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Teltonika Networks RUTOS devices, running on versions 7.0 to 7.8 (excluding) and TSWOS devices running on versions 1.0 to 1.3 (excluding), due to incorrect permission handling a vulnerability exists which allows a lower privileged user with default permissions to access critical device resources via the API.

Weakness: CWE-732

Which versions are affected by CVE-2024-8256?

How do I fix CVE-2024-8256?

No fix has been published for CVE-2024-8256 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-2024-8256 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8256 exists.

Sources

Also known as GHSA-h933-4qv8-27xj.

Is CVE-2024-8256 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free