CVE-2025-30659

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.