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CVE-2025-30653

Junos OS and Junos OS Evolved: LSP flap in a specific MPLS scenario leads to rpd crash

6.0 Medium

An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS).On all Junos OS and Junos OS Evolved platforms, when an MPLS Label-Switched Path (LSP) is configured with node-link-protection and transport-class, and an LSP flaps, rpd crashes and restarts. Continuous flapping of LSP can cause a sustained Denial of Service (DoS) condition.

This issue affects:

Junos OS:

  • All versions before 22.2R3-S4,

  • 22.4 versions before 22.4R3-S2,

  • 23.2 versions before 23.2R2,

  • 23.4 versions before 23.4R2.

Junos OS Evolved:

  • All versions before 22.2R3-S4-EVO,

  • 22.4-EVO versions before 22.4R3-S2-EVO,

  • 23.2-EVO versions before 23.2R2-EVO,

  • 23.4-EVO versions before 23.4R2-EVO.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.25%Up 0.2 points since Apr 10, 2025
90%50%10%1%

What each source reports

CVE List Score used 6.0

Junos OS and Junos OS Evolved: LSP flap in a specific MPLS scenario leads to rpd crash

An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS).On all Junos OS and Junos OS Evolved platforms, when an MPLS Label-Switched Path (LSP) is configured with node-link-protection and transport-class, and an LSP flaps, rpd crashes and restarts. Continuous flapping of LSP can cause a sustained Denial of Service (DoS) condition.

This issue affects:

Junos OS:

  • All versions before 22.2R3-S4,

  • 22.4 versions before 22.4R3-S2,

  • 23.2 versions before 23.2R2,

  • 23.4 versions before 23.4R2.

Junos OS Evolved:

  • All versions before 22.2R3-S4-EVO,

  • 22.4-EVO versions before 22.4R3-S2-EVO,

  • 23.2-EVO versions before 23.2R2-EVO,

  • 23.4-EVO versions before 23.4R2-EVO.

Record
CVE-2025-30653
CVSS 4.0
6.0 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-825
Updated
2026-11-02
EUVDEUVD-2025-10514 6.0

An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS).On all Junos OS and Junos OS Evolved platforms, when an MPLS Label-Switched Path (LSP) is configured with node-link-protection and transport-class, and an LSP flaps, rpd crashes and restarts. Continuous flapping of LSP can cause a sustained Denial of Service (DoS) condition.

This issue affects:

Junos OS:

  • All versions before 22.2R3-S4,

  • 22.4 versions before 22.4R3-S2,

  • 23.2 versions before 23.2R2,

  • 23.4 versions before 23.4R2.

Junos OS Evolved:

  • All versions before 22.2R3-S4-EVO,

  • 22.4-EVO versions before 22.4R3-S2-EVO,

  • 23.2-EVO versions before 23.2R2-EVO,

  • 23.4-EVO versions before 23.4R2-EVO.

Record
EUVD-2025-10514
CVSS 4.0
6.0 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-64rh-h733-hq6g 6.0

An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks...

An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS).On all Junos OS and Junos OS Evolved platforms, when an MPLS Label-Switched Path (LSP) is configured with node-link-protection and transport-class, and an LSP flaps, rpd crashes and restarts. Continuous flapping of LSP can cause a sustained Denial of Service (DoS) condition.

This issue affects:

Junos OS:

  • All versions before 22.2R3-S4,

  • 22.4 versions before 22.4R3-S2,

  • 23.2 versions before 23.2R2,

  • 23.4 versions before 23.4R2.

Junos OS Evolved:

  • All versions before 22.2R3-S4-EVO,

  • 22.4-EVO versions before 22.4R3-S2-EVO,

  • 23.2-EVO versions before 23.2R2-EVO,

  • 23.4-EVO versions before 23.4R2-EVO.

Record
GHSA-64rh-h733-hq6g
CVSS 4.0
6.0 MediumCVSS:4.0/AV:A/AC:L/AT:P/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:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-825
Updated
2026-11-02
NVD 6.0

An Expired Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS).On all Junos OS and Junos OS Evolved platforms, when an MPLS Label-Switched Path (LSP) is configured with node-link-protection and transport-class, and an LSP flaps, rpd crashes and restarts. Continuous flapping of LSP can cause a sustained Denial of Service (DoS) condition.

This issue affects:

Junos OS:

  • All versions before 22.2R3-S4,

  • 22.4 versions before 22.4R3-S2,

  • 23.2 versions before 23.2R2,

  • 23.4 versions before 23.4R2.

Junos OS Evolved:

  • All versions before 22.2R3-S4-EVO,

  • 22.4-EVO versions before 22.4R3-S2-EVO,

  • 23.2-EVO versions before 23.2R2-EVO,

  • 23.4-EVO versions before 23.4R2-EVO.

Record
CVE-2025-30653
CVSS 4.0
6.0 MediumCVSS:4.0/AV:A/AC:L/AT:P/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:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-825
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-30653 is a medium vulnerability (CVSS 6.0) in Juniper Junos, published April 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.

References

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