Vulnerability Database

309,234

Total vulnerabilities in the database

CVE-2019-3924

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.

  • Published: Feb 20, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2019-3924
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
mikrotik / routeros - 6.42.12
mikrotik / routeros - 6.43.12