CVE-2025-30653 — Junos OS and Junos OS Evolved: LSP flap in a specific MPLS scenario leads to rpd crash

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Juniper Networks / Junos OS	affected 0 before 22.2R3-S4; affected 22.4 before 22.4R3-S2; affected 23.2 before 23.2R2; affected 23.4 before 23.4R2
Juniper Networks / Junos OS Evolved	affected 0 before 22.2R3-S4-EVO; affected 22.4-EVO before 22.4R3-S2-EVO; affected 23.2-EVO before 23.2R2-EVO; affected 23.4-EVO before 23.4R2-EVO

CWE

CWE-825

References

https://supportportal.juniper.net/JSA96463

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.