CVE-2026-73436 — Security Advisory 0171

CVE-2026-73436

Security Advisory 0171 PUBLISHED

Description (CNA)

On affected platforms running Arista EOS with OSPFv2 and OSPFv2 segment routing configured, a specially crafted OSPFv2 packet from an adjacent OSPF neighbor may cause OSPF to restart unexpectedly.

Affected (CNA)

Vendor / product	Versions
Arista Networks / EOS	affected 4.36.0F through 4.36.1F; affected 4.35.0F through 4.35.5M; affected 4.34.0F through 4.34.7.1M; affected 4.33.0F through 4.33.9M; affected 1.0.0 before 4.33.0F

CWE

CWE-1284, CWE-125

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24727-security-advisory-0171

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.