#VU107617 Improper input validation in Juniper Junos OS - CVE-2025-30649

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Main Vulnerability Database Vulnerabilities #VU107617

#VU107617 Improper input validation in Juniper Junos OS - CVE-2025-30649

Published: April 18, 2025


Vulnerability identifier: #VU107617
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/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-2025-30649
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
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 input validation error in the syslog stream TCP transport . A remote non-authenticated attacker can send specific spoofed packets to cause a CPU Denial of Service (DoS) to the MX-SPC3 SPUs.


Remediation

Install updates from vendor's website.

External links