#VU113052 Improper Handling of Length Parameter Inconsistency in Junos OS Evolved and Juniper Junos OS - CVE-2025-52949

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Main Vulnerability Database Vulnerabilities #VU113052

#VU113052 Improper Handling of Length Parameter Inconsistency in Junos OS Evolved and Juniper Junos OS - CVE-2025-52949

Published: July 18, 2025


Vulnerability identifier: #VU113052
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2025-52949
CWE-ID: CWE-130
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

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

The vulnerability exists due to improper handling of length parameter inconsistency error in the routing protocol daemon (rpd). A remote BGP peer can send a specifically malformed BGP packet and cause rpd to crash and restart, resulting in a Denial of Service (DoS).


Remediation

Install updates from vendor's website.

External links