CVE-2023-32154 Mikrotik RouterOS RADVD Out-Of-Bounds Write Remote Code Execution Vulnerability

High 7.5 Published 3 May 2024 Updated 20 Sep 2024

Network-adjacent attackers can execute arbitrary code as root on Mikrotik RouterOS devices via an out-of-bounds write in the RADVD service.

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-2023-32154?

CVE-2023-32154 is a high-severity memory corruption vulnerability in Mikrotik Routeros, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Mikrotik RouterOS RADVD Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Mikrotik RouterOS. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Router Advertisement Daemon. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-19797.

Weakness: CWE-787

Which versions are affected by CVE-2023-32154?

It affects 1 product.

Products include Mikrotik Routeros.

How do I fix CVE-2023-32154?

No fix has been published for CVE-2023-32154 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-32154 being exploited?

There is no known exploitation of CVE-2023-32154 in the wild and no public exploit code.

All Mikrotik Routeros vulnerabilities

Sources

Also known as GHSA-x2w9-wgvv-wxwp.