CVE-2021-41987

8.1 highEPSS 16%

High (8.1) in mikrotik routeros. EPSS 16% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.1 high

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 16% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2022-03-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mikrotik:routeros

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/

Check your stack JSON