Use of incorrect byte ordering in Junos OS - CVE-2025-52980
Published: July 23, 2025
Vulnerability identifier: #VU113177
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2025-52980
CWE-ID: CWE-198
Exploitation vector: Remote access
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 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.
Affected software
Junos OS
How to mitigate CVE-2025-52980
Install updates from vendor's website.
Junos OS - addressed in versions 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2, 23.4R2, 24.2R1