CVE-2026-102037: Junos OS 23.4 to before 23.4R2-S8.13, 24.2 to before 24.2R2-S5.5, 24.4 to before 24.4R2-S5, 25.2 to before 25.2R2-S2…

Affected technology

Junos OS · 23.4 to before 23.4R2-S8.13, 24.2 to before 24.2R2-S5.5, 24.4 to before 24.4R2-S5, 25.2 to before 25.2R2-S2, 25.4 to before 25.4R1-S3, 26.2 to before 26.2R1-S2
Juniper Networks

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated network attacker can commit arbitrary device configuration with root privileges via a malicious response from a configured custom URL-feed server. Vendor/CNA’s CVSS 4.0 assessment (base score 9.2/10) rates confidentiality, integrity and availability impact as high.