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CVE PROGRAM SOURCE RECORD2.3 Low

CVE-2026-73440

Security Advisory 0178

Description

On affected platforms running Arista EOS with Simple Network Management Protocol (SNMP) configured, SNMPv3 local or remote user credentials may be exposed as a one-way hashed, localized key value within the device's running and sanitized configurations. An authenticated user who gains access to this sensitive information could leverage it to perform unauthorized read operations on SNMP tables or to send fraudulent trap notifications to the Network Management System (NMS). 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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Arista Networks EOS

Default version status: unaffected

  • 4.36.0F to ≤ 4.36.1Faffected
  • 4.35.0F to ≤ 4.35.5Maffected
  • 4.34.0F to ≤ 4.34.7.1Maffected
  • 4.33.0F to ≤ 4.33.9Maffected
  • 1.0.0 to < 4.33.0Faffected

References