CVE-2025-52955

CVE-2025-52955 describes an Incorrect Calculation of Buffer Size in Juniper Networks Junos OS and Junos OS Evolved rpd when jflow/sflow updates are sent as a routing instance’s logical interface flaps. The issue can cause memory corruption, leading to an rpd crash and restart, with sustained DoS ...

CVE-2025-52954 Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system

A Missing Authorization vulnerability in the internal virtual routing and forwarding VRF of Juniper Networks Junos OS Evolved allows a local, low-privileged user to gain root privileges, leading to a system compromise. Any low-privileged user with the capability to send packets over the internal...

CVE-2025-52954 Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system

A Missing Authorization vulnerability in the internal virtual routing and forwarding VRF of Juniper Networks Junos OS Evolved allows a local, low-privileged user to gain root privileges, leading to a system compromise. Any low-privileged user with the capability to send packets over the internal...

CVE-2025-52954

CVE-2025-52954 affects Juniper Networks Junos OS Evolved: a Missing Authorization vulnerability in the internal VRF allows a local, low-privileged user who can send packets over the VRF to gain root privileges and modify configuration, enabling system compromise. Impact is elevation of privileges...

CVE-2025-52951

CVE-2025-52951 describes a Protection Mechanism Failure in Juniper Networks Junos OS where kernel filter processing mishandles the payload-protocol match, causing firewall terms to effectively accept all traffic destined for the control plane IPv6 traffic. Affected Junos OS versions include all p...

CVE-2025-52951 Junos OS: IPv6 firewall filter fails to match payload-protocol

A Protection Mechanism Failure vulnerability in kernel filter processing of Juniper Networks Junos OS allows an attacker sending IPv6 traffic destined to the device to effectively bypass any firewall filtering configured on the interface. Due to an issue with Junos OS kernel filter processing, th...

CVE-2025-52951 Junos OS: IPv6 firewall filter fails to match payload-protocol

A Protection Mechanism Failure vulnerability in kernel filter processing of Juniper Networks Junos OS allows an attacker sending IPv6 traffic destined to the device to effectively bypass any firewall filtering configured on the interface. Due to an issue with Junos OS kernel filter processing, th...

CVE-2025-52949 Junos OS and Junos OS Evolved: In an EVPN environment, receipt of specifically malformed BGP update causes RPD crash

An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent BGP peer sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of...

CVE-2025-52949

CVE-2025-52949 describes an Improper Handling of Length Parameter Inconsistency in Juniper’s rpd component of Junos OS and Junos OS Evolved. A logically adjacent BGP peer can send a specifically malformed BGP update in EVPN environments, causing rpd to crash and restart, leading to a Denial of Se...

CVE-2025-52949 Junos OS and Junos OS Evolved: In an EVPN environment, receipt of specifically malformed BGP update causes RPD crash

An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent BGP peer sending a specifically malformed BGP packet to cause rpd to crash and restart, resulting in a Denial of...

CVE-2025-52948 Junos OS: Specific unknown traffic pattern causes FPC and system to crash when packet capturing is enabled

An Improper Handling of Exceptional Conditions vulnerability in Berkeley Packet Filter BPF processing of Juniper Networks Junos OS allows an attacker, in rare cases, sending specific, unknown traffic patterns to cause the FPC and system to crash and restart. BPF provides a raw interface to data...

CVE-2025-52948 Junos OS: Specific unknown traffic pattern causes FPC and system to crash when packet capturing is enabled

An Improper Handling of Exceptional Conditions vulnerability in Berkeley Packet Filter BPF processing of Juniper Networks Junos OS allows an attacker, in rare cases, sending specific, unknown traffic patterns to cause the FPC and system to crash and restart. BPF provides a raw interface to data...

CVE-2025-52948

Summary: CVE-2025-52948 describes an Improper Handling of Exceptional Conditions vulnerability in the Berkeley Packet Filter (BPF) processing in Juniper Networks Junos OS that can cause the FPC and system to crash and restart under rare traffic patterns, especially when packet capture is enabled....

CVE-2025-52947 Junos OS: ACX Series: When 'hot-standby' mode is configured for an L2 circuit, interface flap causes the FEB to crash

An Improper Handling of Exceptional Conditions vulnerability in route processing of Juniper Networks Junos OS on specific end-of-life EOL ACX Series platforms allows an attacker to crash the Forwarding Engine Board FEB by flapping an interface, leading to a Denial of Service DoS. On ACX1000,...

CVE-2025-52947

CVE-2025-52947 affects Juniper Networks Junos OS on ACX1000/1100/2000/2100/2200/4000/5048/5096, older than 21.2R3-S9. Root cause: improper handling of exceptional conditions in route processing when the L2 circuit’s primary path port IGP goes down while hot-standby is configured, causing FEB0 to ...

CVE-2025-52947 Junos OS: ACX Series: When 'hot-standby' mode is configured for an L2 circuit, interface flap causes the FEB to crash

An Improper Handling of Exceptional Conditions vulnerability in route processing of Juniper Networks Junos OS on specific end-of-life EOL ACX Series platforms allows an attacker to crash the Forwarding Engine Board FEB by flapping an interface, leading to a Denial of Service DoS. On ACX1000,...

CVE-2025-52946 Junos OS and Junos OS Evolved: With traceoptions enabled, receipt of malformed AS PATH causes RPD crash

A Use After Free vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an attacker sending a BGP update with a specifically malformed AS PATH to cause rpd to crash, resulting in a Denial of Service DoS. Continuous receipt of the...

CVE-2025-52946

CVE-2025-52946 is a Use After Free in Juniper Junos OS and Junos OS Evolved rpd triggered by a BGP update containing a specifically malformed AS PATH, causing the rpd process to crash and restart and resulting in DoS when traceoptions are enabled. Affected: Junos OS and Junos OS Evolved across mu...

CVE-2025-52946 Junos OS and Junos OS Evolved: With traceoptions enabled, receipt of malformed AS PATH causes RPD crash

A Use After Free vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an attacker sending a BGP update with a specifically malformed AS PATH to cause rpd to crash, resulting in a Denial of Service DoS. Continuous receipt of the...

CVE-2025-30661

CVE-2025-30661 affects Juniper Networks Junos OS line cards (MPC10, MPC11, LC4800, LC9600, MX304-LMIC16, SRX4700, EX9200-15C). The root cause is an incorrect permission assignment in line card script processing that lets a local, low-privilege user install scripts which are executed as root at sy...