Multiple Juniper Networks Junos OS Vulnerabilities

Severity

High

Analysis Summary

CVE-2025-30660 CVSS:7.5

Juniper Networks Junos OS on MX Series is vulnerable to a denial of service, caused by improper check for unusual or exceptional conditions in the Packet Forwarding Engine (pfe).

CVE-2025-30658 CVSS:7.5

Juniper Networks Junos OS on SRX Series is vulnerable to a denial of service, caused by a memory leak when Anti-Virus is enabled.

CVE-2025-30651 CVSS:7.5

Juniper Networks Junos OS and Junos OS Evolved are vulnerable to a denial of service, caused by a buffer access with incorrect length value flaw in the routing protocol daemon (rpd).

CVE-2025-21594 CVSS:7.5

Juniper Networks Junos OS on MX Series is vulnerable to a denial of service, caused by improper check for unusual or exceptional conditions in the pfe (packet forwarding engine).

CVE-2025-30656 CVSS:7.5

Juniper Networks Junos OS is vulnerable to a denial of service, caused by improper handling of additional special element in the Packet Forwarding Engine (PFE).

Impact

Denial of Service

Indicators of Compromise

CVE

CVE-2025-30660
CVE-2025-30658
CVE-2025-30651
CVE-2025-21594
CVE-2025-30656

Affected Vendors

Juniper

Affected Products

Juniper Networks Junos OS - 21.4 - 22.2 - 22.4 - 23.2 - 23.4
Juniper Networks Junos OS - 21.4 - 22.2 - 22.4 - 23.2 - 23.4 - 24.2
Juniper Networks Junos OS Evolved - 21.4-EVO - 22.2-EVO - 22.4-EVO - 23.2-EVO - 23.4-EVO
Juniper Networks Junos OS - 21.4 - 22.1 - 22.2 - 22.3 - 22.4 - 23.2 - 23.4