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TI-2022-22302 Aliases CVE-2022-45315GHSA-xcmj-vx3m-mj2h

Out-of-bounds read in MicroTik RouterOS

Priority HIGH 82CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01388 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed RouterOS (MicroTik): 7.6 2022-10-31

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicroTikRouterOSbefore 7.6 2022-10-317.6 2022-10-31Patch availableCNA
  • RouterOS VendorMicroTik Affected before 7.6 2022-10-31 Fixed in 7.6 2022-10-31 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*before 7.6VulnerableMikroTik
  • cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:* Versions before 7.6 Vulnerable ·MikroTik

Remediation

  • Fix · CNA RouterOS (MicroTik) Fixed in 7.6 2022-10-31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-45315
  2. 2026-10-03 Alias added: GHSA-xcmj-vx3m-mj2h

References

  • TI-2008-00648 SNMPd in MikroTik RouterOS 3.2 and earlier allows remote attackers to cause a denial of… CVSS 2.0HIGH 7.8

Sources