CVE-2025-52980

Junos OS: SRX300 Series: rpd will crash upon receiving a specific, valid BGP UPDATE message

Description

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.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: Junos OS: 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.

Workaround:

  • There are no known workarounds for this issue.

Category

8.7
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA100084 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-52980?
CVE-2025-52980 has been scored as a high severity vulnerability.
How to fix CVE-2025-52980?
To fix CVE-2025-52980: The following software releases have been updated to resolve this specific issue: Junos OS: 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.
Is CVE-2025-52980 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-52980 is being actively exploited.
What software or system is affected by CVE-2025-52980?
CVE-2025-52980 affects Juniper Networks Junos OS.
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