CVE-2022-45313: mikrotik routeros Out-of-bounds Read
CVSS: 8.8v3.1HighModified
Published 05-12-2022Last modified 24-04-2025
Vulnerability summary
CVE-2022-45313 is a high (CVSS 8.8) Out-of-bounds Read vulnerability in mikrotik routeros. EPSS estimates a 1.59% chance of exploitation in the next 30 days, higher than 75.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.59%
0%100%
Low · +0.09 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 05-12-2022PublishedVulnerability first disclosed.
- 24-04-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.59%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
+0.09 pp
From 1.50% on 21-09-2026
21-09-202621-10-2026
EPSS score1.59%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundPocs Slides
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Mikrotik1 product
- routeros< 7.5
1 vendor · 1 product
References
1 links- github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2022-45313/README.mdExploitThird Party Advisory