Vulnerability in Juniper Junos
CVE-2025-52980
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Juniper Junos — versions 22.1, 22.3, 22.4
- Juniper Srx300
- Juniper Srx320
- Juniper Srx340
- Juniper Srx345
- Juniper Srx380
- Juniper Networks Junos OS — versions 22.2, 22.3, 22.4
Weakness classification (CWE)
References
- supportportal.juniper.net/JSA100084 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-52980?
- CVE-2025-52980 is a high-severity vulnerability in Juniper Junos, classified under CWE-198. CVSS score: 7.5/10. Published 2025-07-11.
- How severe is CVE-2025-52980?
- High severity. CVSS v3 base score is 7.5 out of 10.