CVE-2020-20252

6.5 mediumEPSS 1.6%

Medium (6.5) in mikrotik routeros. EPSS 1.6% chance of exploitation in the next 30 days.

Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWEs: CWE-476, CWE-787
Published: 2021-07-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mikrotik:routeros

References

https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20252/README.md
https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20252/README.md

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