EUVD-2026-42721

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on MX Series allows adjacent subscribers to bypass configured firewall filters. On MX Series devices with MPC10/11, LC4800/9600, and MX304 with subscribers...

CVE-2026-57031: Improper Check for Unusual or Exceptional Conditions

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on MX Series allows adjacent subscribers to bypass configured firewall filters. On MX Series devices with MPC10/11, LC4800/9600, and MX304 with subscribers...

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-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-2025-30661: Incorrect Permission Assignment for Critical Resource

An Incorrect Permission Assignment for Critical Resource vulnerability in line card script processing of Juniper Networks Junos OS allows a local, low-privileged user to install scripts to be executed as root, leading to privilege escalation. A local user with access to the local file system can...