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.
Conclusion & alert: CVE-2025-52980 is rated Moderate Risk (56.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.40%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-07 | 0.06% | 0.40% | +0.35% |
| 2 | 2025-12-19 | 0.05% | 0.06% | +0.01% |
| 3 | 2025-12-08 | — | 0.05% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.7 | 4.0 | HIGH |
|
— | — | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r2:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r2-s1:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r2-s2:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r3:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r3-s1:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r3-s2:*:*:*:*:*:* |
| juniper | junos | 22.1 | cpe:2.3:o:juniper:junos:22.1:r3-s3:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:-:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r1:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r1-s1:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r1-s2:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r2:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r2-s1:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r2-s2:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r3:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r3-s1:*:*:*:*:*:* |
| juniper | junos | 22.3 | cpe:2.3:o:juniper:junos:22.3:r3-s2:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:-:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r1-s2:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r2-s1:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r2-s2:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r3:*:*:*:*:*:* |
| juniper | junos | 22.4 | cpe:2.3:o:juniper:junos:22.4:r3-s1:*:*:*:*:*:* |
| juniper | junos | 23.2 | cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:* |
| juniper | junos | 23.2 | cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:* |
| juniper | junos | 23.2 | cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:* |
| juniper | junos | 23.2 | cpe:2.3:o:juniper:junos:23.2:r1-s2:*:*:*:*:*:* |
| juniper | junos | 23.4 | cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:* |
| juniper | junos | 23.4 | cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:* |
| juniper | junos | 23.4 | cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:* |
| juniper | junos | 23.4 | cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA100084 | Vendor Advisory |