CVE-2025-30659 — Junos OS: SRX Series: A device configured for vector routing crashes when receiving malformed traffic

Description (CNA)

An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). When a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart. This issue affects Junos OS on SRX Series: * All 21.4 versions, * 22.2 versions before 22.2R3-S6, * 22.4 versions before 22.4R3-S6, * 23.2 versions before 23.2R2-S3, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R2. This issue does not affect versions before 21.4.

Affected (CNA)

Vendor / product	Versions
Juniper Networks / Junos OS	affected 21.4R1 before 21.4*; affected 22.2 before 22.2R3-S6; affected 22.4 before 22.4R3-S6; affected 23.2 before 23.2R2-S3; affected 23.4 before 23.4R2-S4; affected 24.2 before 24.2R2

CWE

CWE-130

References

https://supportportal.juniper.net/JSA96470

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.