CVE-2022-45315: microtik routeros Out-of-bounds Read
CVSS: 9.8v3.1CriticalModified
Published 05-12-2022Last modified 09-04-2026
Vulnerability summary
CVE-2022-45315 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in microtik routeros. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 72% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.39%
0%100%
Low · +0.08 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 05-12-2022PublishedVulnerability first disclosed.
- 09-04-2026Last modifiedVulnerability information updated.
Description
Mikrotik RouterOs before stable v7.6 was discovered to contain an out-of-bounds read in the snmp process. This vulnerability allows authenticated attackers to execute arbitrary code via a crafted packet.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.4–9.8
- CVE.orgCNA6.4MediumCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
1.39%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
+0.08 pp
From 1.31% on 21-09-2026
21-09-202621-10-2026
EPSS score1.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundPocs Slides
Maturity: poc
Weaknesses
CWE · root causeAffected systems
2 vendors · 2 products
References
1 links- github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2022-45315/README.mdExploitThird Party Advisory