CVE-2026-21920: Unchecked Return Value

An Unchecked Return Value vulnerability in the DNS module of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an SRX Series device configured for DNS processing, receives a specifically formatted DNS request flowd will...

CVE-2026-21914: Improper Locking

An Improper Locking vulnerability in the GTP plugin of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service Dos. If an SRX Series device receives a specifically malformed GPRS Tunnelling Protocol GTP Modify Bearer Request message, ...

CVE-2026-21905: Loop with Unreachable Exit Condition

A Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the SIP application layer gateway ALG of Juniper Networks Junos OS on SRX Series and MX Series with MX-SPC3 or MS-MPC allows an unauthenticated network-based attacker sending specific SIP messages over TCP to crash the flow...

CVE-2025-60011: Improper Check for Unusual or Exceptional Conditions

An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an availability impact for downstream devices. When an affected device receives a...

PT-2026-3104

An Untrusted Pointer Dereference vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows a local, authenticated attacker with low privileges to cause a Denial-of-Service DoS. When the command 'show route detail' is executed, and at least one of th...

Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Vulnerabilities exist in versions of Juniper Networks Junos OS prior to 22.4R3-S8, 23.2R2-S5...

Juniper Networks Junos OS security vulnerabilities

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. There were security vulnerabilities in versions prior to Junos OS 23.2R2-S5, 23.4R2-S5,...

Juniper Junos OS Evolved security vulnerabilities

Juniper Junos OS Evolved is a network operating system developed by the Juniper company. Vulnerabilities exist in versions of Juniper Junos OS Evolved prior to 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-S2-EVO, 23.2R2-S1-EVO, 23.4R1-S2-EVO, and 23.4R2-EVO. These vulnerabilities stem from...

PT-2026-3132

A Use After Free vulnerability in the chassis daemon chassisd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker authenticated with low privileges to cause a Denial-of-Service DoS. When telemetry collectors are frequently subscribing and unsubscribing to sensors...

CVE-2025-60003: Buffer Over-read

A Buffer Over-read vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device receives a BGP update with a set of specific optional transitive...

Juniper Junos OS Vulnerability (JSA103166)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA103166 advisory. - A Buffer Over-read vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to...

Juniper Junos OS Vulnerability (JSA103151)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA103151 advisory. - An Access of Uninitialized Pointer vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved with BGP sharding configured allows ...

Juniper Junos OS Vulnerability (JSA103167)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA103167 advisory. - An Authentication Bypass by Primary Weakness in the FTP server of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to get limited read-write...

Vulnerabilities fixed in Juniper Networks Junos OS

Juniper has fixed vulnerabilities in Junos OS Specifically for EX4600, QFX5000 Series switches and SRX4700 devices. The vulnerabilities in Junos OS include several serious issues, including the ability for unauthenticated attackers to cause Denial of Service DoS by sending specially crafted...

CVE-2025-60010

A password aging vulnerability in the RADIUS client of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated, network-based attacker to access the device without enforcing the required password change. Affected devices allow logins by users for whom the RADIUS server has responde...

CVE-2025-60006

Multiple instances of an Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection' vulnerability in the CLI of Juniper Networks Junos OS Evolved could be used to elevate privileges and/or execute unauthorized commands. When an attacker executes crafted CLI commands,...

CVE-2025-52960

A Buffer Copy without Checking Size of Input vulnerability in the Session Initialization Protocol SIP ALG of Juniper Networks Junos OS on MX Series and SRX Series allows an unauthenticated, network-based attacker to cause a Denial of Service DoS. When memory utilization is high, and specific SIP...

CVE-2025-59967

A NULL Pointer Dereference vulnerability in the PFE management daemon evo-pfemand of Juniper Networks Junos OS Evolved on ACX7024, ACX7024X, ACX7100-32C, ACX7100-48L, ACX7348, ACX7509 devices allows an unauthenticated, adjacent attacker to cause a Denial-of-Service DoS. Whenever specific valid...

EUVD-2025-33378

A NULL Pointer Dereference vulnerability in the PFE management daemon evo-pfemand of Juniper Networks Junos OS Evolved on ACX7024, ACX7024X, ACX7100-32C, ACX7100-48L, ACX7348, ACX7509 devices allows an unauthenticated, adjacent attacker to cause a Denial-of-Service DoS. Whenever specific valid...

EUVD-2025-33399

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to cause impact to confidentiality and availability. When an output firewall filter is...