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

CVE-2026-21913 affects Juniper Networks Junos OS on EX4000-48T, EX4000-48P and EX4000-48MP. The vulnerability is an incorrect initialization of the Internal Device Manager (IDM) that allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). A high volume of traffic dir...

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...

CVE-2022-22203

An Incorrect Comparison vulnerability in PFE of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a Denial of Service DoS. On QFX5000 Series, and EX4600 and EX4650 platforms, the fxpc process will crash followed by the FPC reboot upon receipt of a specific hostbound...

CVE-2022-22203

An Incorrect Comparison vulnerability in PFE of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a Denial of Service DoS. On QFX5000 Series, and EX4600 and EX4650 platforms, the fxpc process will crash followed by the FPC reboot upon receipt of a specific hostbound...

CVE-2021-31376

An Improper Input Validation vulnerability in Packet Forwarding Engine manager FXPC process of Juniper Networks Junos OS allows an attacker to cause a Denial of Service DoS by sending specific DHCPv6 packets to the device and crashing the FXPC service. Continued receipt and processing of this...