CVE-2026-21913

An Incorrect Initialization of Resource vulnerability in the Internal Device Manager IDM of Juniper Networks Junos OS on EX4000 models allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. On EX4000 models with 48 ports EX4000-48T, EX4000-48P, EX4000-48MP a high volu...

CVE-2026-21913 Junos OS: EX4000: A high volume of traffic destined to the device leads to a crash and restart

An Incorrect Initialization of Resource vulnerability in the Internal Device Manager IDM of Juniper Networks Junos OS on EX4000 models allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. On EX4000 models with 48 ports EX4000-48T, EX4000-48P, EX4000-48MP a high volu...

PT-2026-3127

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on EX4000-48T, EX4000-48P and EX4000-48MP versions prior to 24.4R2 Juniper Networks Junos OS on EX4000-48T, EX4000-48P and EX4000-48MP versions prior to 25.2R1-S2 Juniper Networks Junos OS on EX4000-48T, EX4000-48P an...