CVE-2025-8870

On affected platforms running Arista EOS, certain serial console input might result in an unexpected reload of the device.153

VectorPHYSICAL

Published Bypsirt@arista.com

Published DateNov 14, 2025, 16:15

Weakness Type (CWE):CWE-248

CVSS Metrics

Base Score

5.6

Vector String

CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Base Severity

MEDIUM

Version

4.0

Attack Vector (AV)

PHYSICAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)

References

https://www.arista.com/en/support/advisories-notices/security-advisory/22811-security-advisory-0125

Base Score

MEDIUM5.6

Weakness Type (CWE):CWE-248

CVSS Metrics

Base Score

5.6

Vector String

CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Base Severity

MEDIUM

Version

4.0

Attack Vector (AV)

PHYSICAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)