Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 9.2 | Critical | 4.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA (CERT-PL) |
- CISA KEV Not listed.
- EPSS 0.089, the 95th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
References from the CNA
- cert.pl/en/posts/2026/09/mikrotik-routeros-cve
- cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/
- mikrotik.com/supportsec/september-2026-vulnerability/
- forum.mikrotik.com/t/7-23-4-long-term-is-released/272801
- forum.mikrotik.com/t/7-24-2-stable-is-released/272800
- npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/