CVE-2018-17534 Auth bypass in n/a

Medium 6.8 Published 15 Oct 2018 Updated 5 Aug 2024

Attackers with physical access can execute arbitrary commands with root privileges via an unprotected serial interface on Teltonika RUT9XX 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-2018-17534?

CVE-2018-17534 is a medium-severity authentication bypass vulnerability in n/a, published on 15 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Teltonika RUT9XX routers with firmware before 00.04.233 provide a root terminal on a serial interface without proper access control. This allows attackers with physical access to execute arbitrary commands with root privileges.

Weakness: CWE-287

Which versions are affected by CVE-2018-17534?

It affects 3 products.

Products include Teltonika Rut900 Firmware, Teltonika Rut950 Firmware, Teltonika Rut955 Firmware.

How do I fix CVE-2018-17534?

No fix has been published for CVE-2018-17534 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-2018-17534 being exploited?

There is no known exploitation of CVE-2018-17534 in the wild and no public exploit code.

Sources

Also known as GHSA-3gqh-4x39-jr92.