CVE-2022-36522 Denial of service in n/a
Attackers can cause a Denial of Service on Mikrotik RouterOS devices by sending crafted packets to the netwatch component.
- 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-2022-36522?
CVE-2022-36522 is a medium-severity denial of service vulnerability in Mikrotik Routeros, published on 26 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Mikrotik RouterOs through stable v6.48.3 was discovered to contain an assertion failure in the component /advanced-tools/nova/bin/netwatch. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
Weakness: CWE-617
Which versions are affected by CVE-2022-36522?
It affects 1 product.
Products include Mikrotik Routeros.
How do I fix CVE-2022-36522?
No fix has been published for CVE-2022-36522 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-36522 being exploited?
There is no known exploitation of CVE-2022-36522 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-2pg2-fvww-4xjw.