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Vulnerabilities CVE-2026-39042

CVE-2026-39042

None
Open
TLP:CLEAR

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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.

Details

EPSS Score
0.41%

33.7th percentile

Confidence
90%
Published
Jul 13, 2026
Last Modified
Jul 13, 2026
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