CVE-2026-33783 Junos OS Evolved: PTX Series: If SRTE tunnels provisioned via PCEP are present and specific gRPC queries are received evo-aftmand crashes

A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS Evolved on PTX Series allows a network-based, authenticated attacker with low privileges to cause a complete Denial of Service DoS. If colored SRTE policy tunnels are provisioned via...

CVE-2026-33783

Junos OS Evolved on PTX Series is affected when SRTE policy tunnels are provisioned via PCEP and gRPC is used to monitor traffic; evo-aftmand crashes and requires manual restart, causing persistent DoS. The issue occurs only if the Originator ASN field in PCEP exceeds 65,535 (32-bit ASN). Affecte...

CVE-2026-33776 Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive...

CVE-2026-33797 Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33797

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33780 Junos OS and Junos OS Evolved: In an EVPN-MPLS scenario churn of ESI routes causes a memory leak in l2ald

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

CVE-2026-33788 Junos OS Evolved: Local, authenticated attacker can gain privileged access to FPCs

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators FPCs of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device. A local user with low privileges...

CVE-2026-33788

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators FPCs of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device. A local user with low privileges...

CVE-2026-33788

CVE-2026-33788 affects Juniper Networks Junos OS Evolved on PTX Series (PTX10004/PTX10008/PTX100016 with JNP10K-LC1201/1202). The issue is a Missing Authentication for Critical Function in Flexible PIC Concentrators (FPCs) that allows a local, authenticated, low-privilege user to gain direct acce...

CVE-2026-21919

Summary: CVE-2026-21919 describes an Incorrect Synchronization vulnerability in Juniper mgd (management daemon) on Junos OS and Junos OS Evolved. When NETCONF sessions are rapidly opened and closed, a locking issue can cause mgd processes to hang in a lockf state, eventually hitting the maximum p...

CVE-2026-21919 Junos OS and Junos OS Evolved: A high frequency of connecting and disconnecting NETCONF sessions causes management unavailability

An Incorrect Synchronization vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker with low privileges to cause a complete Denial-of-Service DoS of the management plane. When NETCONF sessions are quickly established and...

CVE-2025-59969

A Buffer Copy without Checking Size of Input 'Classic Buffer Overflow' vulnerability in the advanced forwarding toolkit evo-aftmand/evo-pfemand of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service DoS.An...

CVE-2025-59969

CVE-2025-59969 affects Junos OS Evolved on PTX Series and QFX5000 Series. The vulnerability is a buffer copy without size checking in the advanced forwarding toolkit components evo-aftmand and evo-pfemand, leading to a Denial of Service when an attacker—positioned adjacent—sends crafted multicast...

CVE-2026-33793

An Execution with Unnecessary Privileges vulnerability in the User Interface UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system. When a configuration that allows unsigned Python op scripts is present o...

CVE-2026-33793 Junos OS and Junos OS Evolved: When an unsigned Python op script configuration is present, a local low privileged user can compromise the system

An Execution with Unnecessary Privileges vulnerability in the User Interface UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system. When a configuration that allows unsigned Python op scripts is present o...

Juniper Networks Junos OS和Juniper Networks Junos OS Evolved 安全漏洞

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of Juniper Networks, a US-based company. Juniper Networks Junos OS is a network operating system specifically designed for the company’s hardware devices. This operating system provides secure programming interfaces...

Juniper Networks Junos OS Evolved 安全漏洞

Juniper Networks Junos OS Evolved is an upgraded version of Junos OS from Juniper Networks. There are security vulnerabilities in Junos OS Evolved, which stem from buffer overflow attacks and may lead to denial-of-service attacks. The following products and versions are affected: PTX Series...

PT-2026-31754

Junos OS and Junos OS Evolved: When an unsigned Python op script configuration is present, a local low privileged user can compromise the system CVE: CVE-2026-33793 PT ID: PT-2026-31754 Vendor: Juniper networks Product: Junos OS CVSS: 7.8 Credits: n/a Description: An Execution with Unnecessary...

PT-2026-31742

A Buffer Copy without Checking Size of Input 'Classic Buffer Overflow' vulnerability in the advanced forwarding toolkit evo-aftmand/evo-pfemand of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service DoS.An...

PT-2026-31808

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...