MikroTik RouterOS 7.0.x < 7.23.4 / 7.24.x < 7.24.2 X.509 Signature Validation Bypass (CVE-2026-67278)

medium Nessus Plugin ID 344587

Version 1.4

Sep 28, 2026, 8:04 AM

  • CVSS metrics ("CVSSv2 score" set to 9.4)
  • CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N")
  • CVSS metrics ("Cvssv4 threat vector" set to "CVSS:4.0/E:P")
  • CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C")
  • CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C")
  • CVSSv2 severity (based on CVE-2026-67278, severity increased from "Medium" to "High")
  • Exploit attributes ("Exploit available" set to "True")
  • Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available")

Plugin Feed: 202609280804

Version 1.3

Sep 11, 2026, 9:51 PM

  • Plugin metadata (Add IAVM Info)

Plugin Feed: 202609112151

Version 1.2

Sep 11, 2026, 11:01 AM

  • Exploit attributes ("Exploitability ease" set to "No known exploits are available")
  • Exploit attributes ("Exploit available" set to "False")
  • CVSSv4 severity (based on None, severity decreased from "High" to "Medium")
  • CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C")
  • CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C")
  • CVSS metrics ("Cvssv4 vector" set to "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N")
  • CVSS metrics ("Cvssv4 threat vector" set to "CVSS:4.0/E:U")
  • CVSS metrics ("Cvssv4 score" set to 6.3)

Plugin Feed: 202609111101

Version 1.1

Sep 10, 2026, 10:27 PM

  • New

Plugin Feed: 202609102227

* Changelogs are generally available for changes made after Nov 1, 2022