An attacker sends a specially crafted payload to the SCEP server. To trigger the overflow, the attacker must know the scep_server_name value.
Detailed analysis and proof-of-concept (PoC) code for vulnerabilities like CVE-2021-41987 are publicly available. mikrotik 6.47.10 exploit
This vulnerability specifically affects RouterOS versions 6.46.8, 6.47.9, and 6.47.10 . Other Relevant Vulnerabilities An attacker sends a specially crafted payload to
While was released to improve stability, it preceded several major vulnerabilities discovered in later years that users of this version might still be exposed to if they haven't upgraded: This vulnerability specifically affects RouterOS versions 6
Vulnerable MikroTik routers are frequently recruited into botnets for DDoS attacks, spam campaigns, or as SOCKS proxies to hide malicious traffic. How to Secure Your MikroTik Router
Security researchers have found exploits for these versions in the Command and Control (C2) servers of advanced persistent threat (APT) groups like HUAPI (also known as BlackTech).
MikroTik RouterOS is a specific release from the "long-term" release channel. Because "long-term" versions are often maintained for stability, they can become targets for exploits if administrators fail to update as new vulnerabilities are discovered.