Medium severity · published Aug 26, 2022
CVE-2022-36522
Mikrotik RouterOs through stable v6.48.3 was discovered to contain an assertion failure in the component /advanced-tools/nova/bin/netwatch
6.5
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Routeros · Mikrotik
through 6.48.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-36522
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-36522
Third Party Advisory
https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2022-36522/README.md
Exploit
https://seclists.org/fulldisclosure/2021/Jul/0
More from Routeros
9.8
CVE-2026-86060
SSH session privilege manipulation via a crafted username in Mikrotik RouterOS
9.8
CVE-2018-7445
MikroTik RouterOS Stack-Based Buffer Overflow Vulnerability
9.1
CVE-2018-14847
MikroTik Router OS Directory Traversal Vulnerability
8.2
CVE-2026-67277
Kernel memory disclosure and denial of service in MikroTik RouterOS btest service
6.5
CVE-2026-67279
SSH Pre-Authentication Rekey State Bypass in MikroTik RouterOS
