What is CVE-2025-30649?

CVE-2025-30649 is a high-severity vulnerability in Juniper Junos, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-04-09.

How severe is CVE-2025-30649?

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

Improper input validation in Juniper Junos

CVE-2025-30649

An Improper Input Validation vulnerability in the syslog stream TCP transport of Juniper Networks Junos OS on MX240, MX480 and MX960 devices with MX-SPC3 Security Services Card allows an unauthenticated, network-based attacker, to send spe…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (29.0th 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 Junos — versions 22.2, 22.4, 23.2
Juniper Mx240
Juniper Mx480
Juniper Mx960
Juniper Mx-spc3
Juniper Networks Junos Os — versions 0, 22.4, 23.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

sirt@juniper.net (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-30649?: CVE-2025-30649 is a high-severity vulnerability in Juniper Junos, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-04-09.
How severe is CVE-2025-30649?: High severity. CVSS v3 base score is 7.5 out of 10.