CVE-2026-121294
Last modified
CVE-2026-121294 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. On affected platforms running Arista EOS with a S-BFD reflector proxy configured, an unauthenticated attacker could send a crafted S-BFD Protocol Data Unit (PDU) that might cause the device to temporarily cease reflecting S-BFD packets, potentially resulting in S-BFD session timeouts.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
On affected platforms running Arista EOS with a S-BFD reflector proxy configured, an unauthenticated attacker could send a crafted S-BFD Protocol Data Unit (PDU) that might cause the device to temporarily cease reflecting S-BFD packets, potentially resulting in S-BFD session timeouts.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Arista Networks | EOS | >= 4.36.0F, <= 4.36.2F; >= 4.35.0F, <= 4.35.6M; >= 4.34.0F, <= 4.34.8M; >= 4.33.0F, <= 4.33.10M; >= 4.32.0F, < 4.33.0F; >= 4.29.0F, < 4.32.0F; >= 4.28.2F, < 4.29.0F |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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