CVE-2026-33788

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators FPCs of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device. A local user with low privileges...

CVE-2025-30650

CVE-2025-30650 concerns Junos OS on Linux-based line cards. A Missing Authentication for Critical Function in command processing allows a privileged local user to gain root access to the Linux-based FPC. Affected line cards include: MPC7–MPC11; LC2101/LC2103; LC480/LC4800/LC9600; MX304 (built-in ...

CVE-2024-47493 Junos OS: MX Series: Trio-based FPCs: Continuous physical Interface flaps causes local FPC to crash

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of the Juniper Networks Junos OS on the MX Series platforms with Trio-based FPCs allows an unauthenticated, adjacent attacker to cause a Denial of Service DoS. In case of channelized Modular...

PT-2024-7132

Name of the Vulnerable Software and Affected Versions Junos OS versions prior to 21.2R3-S7 Junos OS versions from 21.4 before 21.4R3-S6 Junos OS versions from 22.1 before 22.1R3-S5 Junos OS versions from 22.2 before 22.2R3-S3 Junos OS versions from 22.3 before 22.3R3-S2 Junos OS versions from 22....

CVE-2024-39530 Junos OS: Attempting to access specific sensors on platforms not supporting these will lead to a chassisd crash

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis management daemon chassisd of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an attempt is made to access specific sensors on platforms not...

CVE-2023-22392 Junos OS: PTX Series and QFX10000 Series: Received flow-routes which aren't installed as the hardware doesn't support them, lead to an FPC heap memory leak

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service DoS. PTX3000, PTX5000, QFX10000, PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 wit...

Race condition

On PTX Series and QFX10k Series devices with the "inline-jflow" feature enabled, a use after free weakness in the Packet Forwarding Engine PFE microkernel architecture of Juniper Networks Junos OS may allow an attacker to cause a Denial of Service DoS condition whereby one or more Flexible PIC...

CVE-2021-0270

CVE-2021-0270 impacts Juniper Networks Junos OS on PTX Series and QFX10K Series when the inline-Jflow feature is enabled. The issue is described as a use-after-free in the Packet Forwarding Engine (PFE) microkernel, leading to a DoS through restarting one or more FPCs and generating core files du...

Design/Logic Flaw

On High-End SRX Series devices, in specific configurations and when specific networking events or operator actions occur, an SPC receiving genuine multicast traffic may core. Subsequently, all FPCs in a chassis may reset causing a Denial of Service. This issue affects both IPv4 and IPv6. This iss...