SecuriTricks - CVE-2025-8870

Description

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

Product(s) Impacted

Vendor	Product	Versions
Arista	Eos	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-248

Uncaught Exception

An exception is thrown from a function, but it is not caught.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	arista	eos	/	/	/	/	/	/	/	/

References

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

CVSS Score

5.6 / 10

CVSS Data - 4.0

Attack Vector: PHYSICAL
Attack Complexity: LOW
Attack Requirements: PRESENT
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

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

View Vector String

Timeline

Published: Nov. 14, 2025, 4:15 p.m.
Last Modified: Nov. 14, 2025, 4:42 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

psirt@arista.com

CVE-2025-8870