CVE-2026-75943
A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcem
Description
A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcement.
INFO
Published Date :
Sept. 14, 2026, 10:11 p.m.
Last Modified :
Sept. 14, 2026, 10:11 p.m.
Remotely Exploit :
No
Source :
Arista
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7 | ||||
| CVSS 4.0 | LOW | c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7 |
Solution
- Apply vendor-supplied updates for the network device.
- Ensure proper configuration of access control lists.
- Review supplicant removal and timeout procedures.
- Test traffic enforcement after changes.
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