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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-52980- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-198
- Updated
- 2026-11-02
EUVDEUVD-2025-21150
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.
- Record
EUVD-2025-21150- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p6jr-6crg-pfcj
A Use of Incorrect Byte Ordering vulnerability in the Routing Protocol Daemon (rpd) of...
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.
- Record
GHSA-p6jr-6crg-pfcj- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:M/U:X - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-198
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-52980- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:M/U:X - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-198
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-52980 is a high vulnerability (CVSS 8.7) in Juniper Junos, published July 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.