CVE-2026-121292
HIGH
MEDIUM
Priority: 0.04
BB Relevance:
77/100
Published: 2026-11-10
Modified: 2026-11-13
First seen: 2026-11-10
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
X
AT:
Present
VC:
Low
VI:
None
VA:
High
Description
A malformed Error Report can cause EOS to read beyond packet boundaries, potentially terminating the RPKI agent or exposing unintended memory contents through logging.
Weakness Classification (1)
Affected Software (12)
| Vendor | Product | Version |
|---|---|---|
| Arista Networks | EOS | 4.37.0F |
| Arista Networks | EOS | 4.36.0F |
| Arista Networks | EOS | 4.35.0F |
| Arista Networks | EOS | 4.34.0F |
| Arista Networks | EOS | 4.33.0F |
| Arista Networks | EOS | 4.24.0F < 4.33.0F |
| Arista Networks | EOS | 4.37.0F |
| Arista Networks | EOS | 4.36.0F |
| Arista Networks | EOS | 4.35.0F |
| Arista Networks | EOS | 4.34.0F |
| Arista Networks | EOS | 4.33.0F |
| Arista Networks | EOS | 4.24.0F < 4.33.0F |
References & Advisories (1)
Change History
| Field | Old Value | New Value | Detected |
|---|---|---|---|
| cvss_base | 8.2 | 8.3 | 2026-11-13T18:30 |
| cvss_base | 8.3 | 8.2 | 2026-11-13T18:00 |