PT-2021-10462 · Mikrotik · Routeros

Published 2021-07-13 · Updated 2021-07-15 · CVE-2020-20250

OSV

CVSS v3.1

6.5

Medium

Base vector

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

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.

Exploit

Fix

DoS

Memory Corruption

NULL Pointer Dereference

Weakness Enumeration

CWE-787

CWE-476

Related Identifiers

CVE-2020-20250

Affected Products

Routeros

References · 4

• 🔥 https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20250/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-20250 · Security Note
• https://osv.dev/vulnerability/CVE-2020-20250 · Vendor Advisory
• https://mikrotik.com · Vendor Advisory