CVE-2026-75945: Arista Networks EOS · Incomplete Cleanup
Affects Arista Networks EOSSource CVE Database V5
Not known to be exploited · CVSS 2.6 Low.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Arista NetworksEOS | Affected
| Fixed in– |
Aristaarista/eospkg:rpm/arista/eosOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until a fix is available, administrators should be aware of the potential for incomplete cleanup when using the 'clear dot1x host all' command and consider operational controls accordingly.
Description
CVE-2026-75945 is a low-severity vulnerability in Arista Networks EOS where a race condition may cause a supplicant to remain authorized after the 'clear dot1x host all' command is issued. This incomplete cleanup issue could lead to a supplicant retaining an authorized state unexpectedly.