CVE-2020-20250

MEDIUM

Mikrotik RouterOs < 6.47 - Authenticated Denial of Service via /nova/bin/lcdstat NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

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). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://mikrotik.com/

Scores

CVSS v3 6.5
EPSS 0.0171
EPSS Percentile 74.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476 CWE-787
Status published
Products (1)
mikrotik/routeros < 6.47
Published Jul 13, 2021
Tracked Since Feb 18, 2026