What’s Vulnerable › Vulnerabilities
CVE-2026-73466: On affected platforms running Arista EOS, under certain circumstances plaintext user passwords
- Severity: medium (CVSS 6.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-15 · updated 2026-09-17
- Weakness: CWE-532
Description
On affected platforms running Arista EOS, under certain circumstances user passwordss may be written in clear text to log files during operations when specialized non-standard debugging trace levels are explicitly enabled. To exploit these vulnerabilities, a malicious actor must already possess authenticated local administrative access to the device shell, and specialized non-standard debugging trace levels must be explicitly enabled. This issue was discovered internally by Arista, and the company is not aware of any malicious exploitation of this vulnerability in customer networks.
Affected products
- Arista Networks EOS: from 4.36.0 through 4.36.1F; from 4.35.0 through 4.35.4M; from 4.34.0 through 4.34.7M; through 4.33.9M; through 4.32.0; through 4.31.0
References
Get alerted when CVE-2026-73466 or the next vulnerability affects your stack