Out-of-bounds Read in Mikrotik Routeros

CVE-2022-45313

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.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (70.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-45313?
CVE-2022-45313 is a high-severity vulnerability in Mikrotik Routeros, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2022-12-05.
How severe is CVE-2022-45313?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-45313 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.