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-2025-30650 Junos OS: Privileged local user can gain access to a Linux-based FPC as root

A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to Linux-based line cards as root. This issue affects systems running Junos OS using Linux-based line cards. Affected line cards includ...

CVE-2026-21912

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or LC2101 line card to...

CVE-2026-21912

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or LC2101 line card to...

CVE-2026-21912

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or LC2101 line card to...

PT-2026-3126

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or LC2101 line card to...

CVE-2023-44193 Junos OS: MX Series: An FPC crash is observed when CFM is enabled in a VPLS scenario and a specific LDP related command is run

An Improper Release of Memory Before Removing Last Reference vulnerability in Packet Forwarding Engine PFE of Juniper Networks Junos OS allows a local, low privileged attacker to cause an FPC crash, leading to Denial of Service DoS. On all Junos MX Series with MPC1 - MPC9, LC480, LC2101, MX10003,...