CVE-2022-45313 Memory corruption in n/a
Attackers can execute arbitrary code on Mikrotik RouterOS devices via a crafted nova message due to an out-of-bounds read in the hotspot process.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-45313?
CVE-2022-45313 is a high-severity memory corruption vulnerability in Mikrotik Routeros, published on 5 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Mikrotik RouterOs before stable v7.5 was discovered to contain an out-of-bounds read in the hotspot process. This vulnerability allows attackers to execute arbitrary code via a crafted nova message.
Weakness: CWE-125
Which versions are affected by CVE-2022-45313?
It affects 1 product.
Products include Mikrotik Routeros.
How do I fix CVE-2022-45313?
No fix has been published for CVE-2022-45313 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-2022-45313 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-45313 exists.
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-594p-57w5-rx5h.