Medium severity6.5NVD Advisory· Published May 18, 2021· Updated Jun 17, 2026

CVE-2020-20254

Description

Mikrotik RouterOs before 6.47 (stable tree) 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).

Affected products

Mikrotik/Routerosllm-fuzzy3 versions
<6.47+ 2 more
- (no CPE)range: <6.47
- (no CPE)
- cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*range: <6.47

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2021/May/14nvdExploitMailing ListThird Party Advisory
github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstat_2/README.mdnvdBroken LinkThird Party Advisory

News mentions

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