Out-of-bounds read in Junos OS Evolved and Junos OS - CVE-2025-21600

 

Out-of-bounds read in Junos OS Evolved and Junos OS - CVE-2025-21600

Published: January 10, 2025


Vulnerability identifier: #VU102533
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-21600
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the routing protocol daemon (rpd). A remote attacker on the local network can send a specially crafted BPG packet and perform a denial of service (DoS) attack.


Affected software

Junos OS Evolved
Junos OS

How to mitigate CVE-2025-21600

Install updates from vendor's website.

Junos OS Evolved - addressed in versions 21.4R3-S9-EVO, 22.2R3-S5-EVO, 22.3R3-S4-EVO, 22.4R3-S5-EVO, 23.2R2-S3-EVO, 23.4R2-S2-EVO, 24.2R1-S2-EVO, 24.2R2-EVO, 24.4R1-EVO
Junos OS - addressed in versions 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S5, 23.2R2-S3, 23.4R2-S3, 24.2R1-S2, 24.2R2, 24.4R1

External References

Related Security Bulletins