SB2025072336 - Remote denial of service in Junos OS SRX300



SB2025072336 - Remote denial of service in Junos OS SRX300

Published: July 23, 2025

Security Bulletin ID SB2025072336
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use of incorrect byte ordering (CVE-ID: CVE-2025-52980)

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

The vulnerability exists due to use of incorrect byte ordering in the Routing Protocol Daemon (rpd) on SRX300 Series routers. A remote attacker can send a specially crafted BGP UPDATE message over an established BGP session and perform a denial of service (DoS) attack.

The vulnerability affects eBGP and iBGP over IPv4 and IPv6.


Remediation

Install update from vendor's website.