CVE-2017-20149

The Mikrotik RouterOS web server allows memory corruption in releases before Stable 6.38.5 and Long-term 6.37.5, aka Chimay-Red. A remote and unauthenticated user can trigger the vulnerability by sending a crafted HTTP request. An attacker can use this vulnerability to execute arbitrary code on the affected system, as exploited in the wild in mid-2017 and later.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2022-10-15

Last modified

2025-05-14

Weaknesses

CWE-787

Affected products

• Routeros (Mikrotik)

References

• https://github.com/BigNerd95/Chimay-Red
• https://www.bleepingcomputer.com/news/security/hajime-botnet-makes-a-comeback-with-massive-scan-for-mikrotik-routers/