On affected platforms running Arista EOS configured as S-BFD peers, an unauthenticated attacker could send a crafted S-BFD PDU to an initiator device.
On affected platforms running Arista EOS configured as S-BFD peers, an unauthenticated attacker could send a crafted S-BFD PDU to an initiator device. This crafted PDU could cause the kernel on the initiator device to crash, resulting in an unexpected device reboot.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Arista Networks
- Product
- EOS
- CVSS v3.1
- 8.6 AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Weakness
- CWE-1284
- Exposure class
- Edge / VPN / firewall
- NVD status
- Received
Why it ranks 34 (Notable)
- CVSS v3.1 8.6 high
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Arista Networks)
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-121295 on this site · NVD · CVE.org · Vulnpedia
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