What is CVE-2025-30656?

CVE-2025-30656 is a high-severity vulnerability in Juniper Networks Junos Os, classified under CWE-167. CVSS score: 7.5/10. Published 2025-04-09.

How severe is CVE-2025-30656?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Juniper Networks Junos Os

CVE-2025-30656

An Improper Handling of Additional Special Element vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series with MS-MPC, MS-MIC and SPC3, and SRX Series, allows an unauthenticated, network-based attacke…

EPSS: 0.007 (71.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Networks Junos Os — versions 0, 21.4, 22.2

Weakness classification (CWE)

CWE-167

References

supportportal.juniper.net/JSA96466 (vendor-advisory)

Frequently asked questions

What is CVE-2025-30656?: CVE-2025-30656 is a high-severity vulnerability in Juniper Networks Junos Os, classified under CWE-167. CVSS score: 7.5/10. Published 2025-04-09.
How severe is CVE-2025-30656?: High severity. CVSS v3 base score is 7.5 out of 10.