CVE-2024-54952 Null dereference in n/a
Remote unauthenticated attackers can cause a denial of service in the SMB service via crafted packets, affecting MikroTik RouterOS devices.
- 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-2024-54952?
CVE-2024-54952 is a high-severity vulnerability in Mikrotik Routeros, published on 29 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MikroTik RouterOS 6.40.5, the SMB service contains a memory corruption vulnerability. Remote, unauthenticated attackers can exploit this issue by sending specially crafted packets, triggering a null pointer dereference. This leads to a Remote Denial of Service (DoS), rendering the SMB service unavailable.
Weakness: CWE-476
Which versions are affected by CVE-2024-54952?
It affects 1 product.
Products include Mikrotik Routeros.
How do I fix CVE-2024-54952?
No fix has been published for CVE-2024-54952 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-54952 being exploited?
There is no known exploitation of CVE-2024-54952 in the wild and no public exploit code.
Other vulnerabilities in Mikrotik Routeros
- CVE-2018-7445 MikroTik RouterOS Stack-Based Buffer Overflow
- CVE-2026-86060 MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command
- CVE-2018-14847 MikroTik Router OS Directory Traversal
- CVE-2026-67277 MikroTik RouterOS Missing Authentication for Critical Function
- CVE-2026-67279 Mikrotik RouterOS Improper Enforcement of Behavioral Workflow
Sources
Also known as GHSA-q4jx-xcc8-66qx.