Forwarded from Taiwan Computer Network Crisis Management and Coordination Center: Cybersecurity Alert TWCERTCC-200-202602-00000013

[Content Description]
Juniper Networks has released a critical cybersecurity advisory (CVE-2026-21902, CVSS: 9.8) for its Junos OS Evolved PTX series products. This is a critical resource privilege allocation error vulnerability that allows an unauthenticated attacker to execute code with root privileges.

[Affected Platforms]
Junos OS Evolved PTX series: Versions 25.4R1-S1-EVO and 25.4R2-EVO

[Recommended Actions]
Please update to the following versions: Junos OS Evolved PTX series: Versions 25.4R1-S1-EVO, 25.4R2-EVO, 26.2R1-EVO (inclusive) and later

[References]
1. https://www.twcert.org.tw/tw/cp-169-10736-63e97-1.html