CVE-2019-3924

7.5 highEPSS 16%

MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability. The software will execute user defined network requests to both WAN and LAN clients. A remote unauthenticated attacker can use this vulnerability to bypass the router's firewall or for general network scanning activities.

Severity

CVSS 3.1

7.5 high

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

EPSS: 16% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE: CWE-441
Published: 2019-02-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mikrotik:routeros

References

http://www.securityfocus.com/bid/107177
https://www.exploit-db.com/exploits/46444/
https://www.tenable.com/security/research/tra-2019-07
http://www.securityfocus.com/bid/107177
https://www.exploit-db.com/exploits/46444/

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