High severity8.2NVD Advisory· Published Nov 10, 2026

CVE-2026-121291

Description

A crafted Error Report can leave EOS stuck believing that a cache reset is in progress, preventing ROA publication, withdrawal reconciliation, and BGP origin-validation updates.

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/25044-security-advisory-0222nvd

News mentions

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