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
CVSS Score
2.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-459 |
| Vendor | arista networks |
| Product | eos |
| Published | Sep 14, 2026 |
| Last Updated | Sep 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for arista networks eos
Be the first to know when new low vulnerabilities affecting arista networks eos are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Arista Networks / EOS
4.36.0 ≤ 4.36.1F 4.35.0 ≤ 4.35.5M 4.34.0 ≤ 4.34.7.1M 0.0.0 ≤ 4.33.9M
References
Credits
Those issues were discovered internally by Arista, and the company is not aware of any malicious exploitation of these vulnerabilities in customer networks.