Medium severity6.5NVD Advisory· Published Nov 10, 2026

CVE-2026-121286

Description

On affected platforms running Arista EOS in multi-agent routing model with BGP Segment Routing Traffic Engineering (SR-TE) address family configured, a BGP peer can send crafted BGP packets to cause the BGP process to restart, disrupting all BGP sessions on the device.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Arista/Eosllm-fuzzy

Patches

Vulnerability mechanics

References

www.arista.com/en/support/advisories-notices/security-advisory/25035-security-advisory-0213nvd

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
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ransomware	0.000