CVE-2026-39042

State
Published
Severity
7.5 High
Published
Jul 13, 2026
Updated
Jul 14, 2026
Reserved
Apr 6, 2026

Read the record on cve.org

Description

An issue in MikroTIk (SIA Mikrotikls, Latvia) RouterOS 7.21.x before v.7.21.4 and 7.22.x before v.7.22.2 allows a remote attacker to cause a denial of service via the unflatten() function in libumsg.so.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

  • CWE-190 Integer Overflow or Wraparound

Affected Products

ProductVersions
n/an/a
  • n/aAffected

References

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