CVE-2025-52980: Junos OS: SRX300 Series: rpd will crash upon receiving a specific, valid BGP UPDATE message
A Use of Incorrect Byte Ordering
vulnerability
in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS on SRX300 Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
When a BGP update is received over an established BGP session which contains a specific, valid, optional, transitive path attribute, rpd will crash and restart.
This issue affects eBGP and iBGP over IPv4 and IPv6.
This issue affects:
Junos OS:
22.1 versions from 22.1R1 before 22.2R3-S4, 22.3 versions before 22.3R3-S3, 22.4 versions before 22.4R3-S2, 23.2 versions before 23.2R2, 23.4 versions before 23.4R2.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-52980?
CVE-2025-52980 is classified as a high-severity vulnerability due to its potential to cause a Denial-of-Service (DoS) condition.
How do I fix CVE-2025-52980?
To mitigate CVE-2025-52980, update your Juniper Networks Junos OS to a version that is not affected by this vulnerability.
Which versions of Junos OS are affected by CVE-2025-52980?
Junos OS versions 22.1R1 through 22.4R3-S2 and all versions up to and including 23.2R2 are affected by CVE-2025-52980.
What is the attack vector for CVE-2025-52980?
CVE-2025-52980 can be exploited by an unauthenticated, network-based attacker through a malformed BGP update received over an established BGP session.
Is there any mitigation available for CVE-2025-52980?
The primary mitigation for CVE-2025-52980 is to ensure that your Junos OS is updated to a patched version that resolves this vulnerability.