VulnerabilityDeferred
CVE-2025-6188
On affected platforms running Arista EOS, maliciously formed UDP packets with source port 3503 may be accepted by EOS.
HIGH 7.5EPSS 0.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
On affected platforms running Arista EOS, maliciously formed UDP packets with source port 3503 may be accepted by EOS. UDP Port 3503 is associated with LspPing Echo Reply. This can result in unexpected behaviors, especially for UDP based services that do not perform some form of authentication.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.42% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Source
- psirt@arista.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.