Medium severity · published Sep 15, 2026
CVE-2026-73467
On affected platforms running Arista EOS, under certain circumstances plaintext shared secrets for configured Terminal Access Controller Access-Control System Plus (TACACS+) servers
6.3
CVSS
0.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EO
EOS · Arista Networks
4.36.0 through 4.36.1F; 4.35.0 through 4.35.4M; 4.34.0 through 4.34.7M; 0.0.0 through 4.33.9M; through 4.32.0; through 4.31.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73467
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73467
www.arista.com
https://www.arista.com/en/support/advisories-notices/security-advisory/24709-security-advisory-0153
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