HIGHCVSS v3.1 8.6Vulnerability
CVE-2026-121368
On affected platforms running Arista EOS with Bidirectional Forwarding Detection (BFD) configured to use keyed MD5 or keyed SHA1 authentication, an unauthenticated attacker with network adjacency (direct or multi-hop) to a BFD-enabled interface can send a specially crafted BFD packet resulting in a system reboot.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.6
- Retrieved at
- 2026-11-10T23:34:23+00:00
- Score
- 8.6
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121368
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- First seen by Signal
- 2026-11-10T23:31:41+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Published at
- 2026-11-10T20:18:56.123
- Last modified
- 2026-11-10T20:18:56.123
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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