What’s Vulnerable › Vulnerabilities

CVE-2021-41987

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-16 · updated 2026-06-17
• Weakness: CWE-787

Description

In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must know the scep_server_name value. This affects RouterOS 6.46.8, 6.47.9, and 6.47.10.

Affected products

• MikroTik RouterOS: 6.46.8, 6.47.9, 6.47.10

References

• https://mikrotik.com/download/archive
• https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/
• https://mikrotik.com/download/archive
• https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/

Get alerted when CVE-2021-41987 or the next vulnerability affects your stack