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Juniper Networks — Vulnerabilities & Security Advisories 915

Browse all 915 CVE security advisories affecting Juniper Networks. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Juniper Networks operates as a global provider of networking hardware, software, and services, primarily focusing on enterprise and service provider infrastructure. With 893 recorded Common Vulnerabilities and Exposures, the company’s attack surface reflects the complexity of its extensive product portfolio. Historically, vulnerabilities in its systems have frequently involved remote code execution, cross-site scripting, and privilege escalation flaws, often stemming from input validation errors or improper access controls in management interfaces. Notable incidents include critical flaws in ScreenOS and Junos OS that allowed attackers to bypass authentication or execute arbitrary commands, highlighting risks in legacy and core routing platforms. These issues underscore the necessity for rigorous patch management and secure configuration practices. As a foundational element of global internet infrastructure, the security posture of Juniper Networks directly impacts the stability and integrity of connected networks worldwide, necessitating continuous monitoring and proactive defense strategies.

CVE ID Title CVSS Severity Published
CVE-2026-57054 Junos OS: MX Series: Web filtering doesn't block specifically formatted URLs — Junos OS CWE-706 5.8 Medium 2026-07-09
CVE-2026-57032 Junos OS: EX Series: Subscribing to an unsupported telemetry sensor path causes fxpc process crash — Junos OS CWE-236 6.5 Medium 2026-07-09
CVE-2026-57031 Junos OS: MX Series: For subscribers configured on static interfaces, input filters are not in effect — Junos OS CWE-754 4.7 Medium 2026-07-09
CVE-2026-57030 Junos OS: SRX Series: Flow sessions are not getting cleared leading to a DoS — Junos OS CWE-362 5.9 Medium 2026-07-09
CVE-2026-57029 Junos OS Evolved: QFX Series: When sFlow collector reachability changes evo-pfemand process can crash — Junos OS Evolved CWE-820 5.3 Medium 2026-07-09
CVE-2026-57028 Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker — Junos OS Evolved CWE-923 7.3 High 2026-07-09
CVE-2026-57027 Junos OS: EX4100 Series, EX4400: With sFlow configured in a VC scenario multicast traffic leads to an FPC crash — Junos OS CWE-401 6.5 Medium 2026-07-09
CVE-2026-57026 Junos OS: MX Series with SPC3, SRX Series: Processing of a specifically malformed SIP invite causes a flowd crash — Junos OS CWE-1286 7.5 High 2026-07-09
CVE-2026-57025 Junos OS and Junos OS Evolved: EX Series, QFX Series, MX Series: A specific 'show l2-learning/ethernet-switching' command causes l2ald crash — Junos OS CWE-466 5.5 Medium 2026-07-09
CVE-2026-57024 Junos OS: MX with SPC3, SRX Series: Repeated VPN negotiation failures will eventually cause iked to crash continuously — Junos OS CWE-694 5.3 Medium 2026-07-09
CVE-2026-57023 Junos OS: MX with SPC3, SRX Series: A specifically malformed TCP packet causes a flowd crash — Junos OS CWE-1284 7.5 High 2026-07-09
CVE-2026-57022 Junos OS: MX Series with SPC3, SRX Series: Specific packet in response to a TCP connection establishment by the affected device can crash the PFE — Junos OS CWE-754 5.9 Medium 2026-07-09
CVE-2026-57021 Junos OS: SRX Series: If VPN compliance-check is configured an attacker can cause http-gk process crash — Junos OS CWE-787 5.3 Medium 2026-07-09
CVE-2026-57020 Junos OS: QFX10000 Series: IPv6 multicast traffic received on non-IRB interfaces causes a multicast flood — Junos OS CWE-754 6.5 Medium 2026-07-09
CVE-2026-57019 Junos OS: MX Series: Specific traffic causes an FPC to reset — Junos OS CWE-1284 6.5 Medium 2026-07-09
CVE-2026-33803 Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker — Junos OS Evolved CWE-923 6.5 Medium 2026-07-09
CVE-2026-33802 Junos OS: EX Series: Unauthorized users can execute service-impacting CLI command — Junos OS CWE-862 5.5 Medium 2026-07-09
CVE-2026-33801 Junos OS and Junos OS Evolved: When a specifically malformed BGP route update is received RPD crashes — Junos OS CWE-754 6.5 Medium 2026-07-09
CVE-2026-33800 Junos OS: MX Series: In a VC scenario a high rate of micro-BFD session flaps will cause an FPC crash — Junos OS CWE-606 6.5 Medium 2026-07-09
CVE-2026-33799 Junos OS and Junos OS Evolved: Receipt of a specific SNMPv3 request results in memory leak and eventual snmpd crash — Junos OS CWE-787 4.3 Medium 2026-07-09
CVE-2026-33794 Junos OS Evolved: PTX Series: Receipt of repeated ECMP routing updates results in PFE crash — Junos OS Evolved CWE-754 5.9 Medium 2026-07-09
CVE-2026-21901 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash — Junos OS CWE-476 4.4 Medium 2026-07-09
CVE-2026-33791 Junos OS and Junos OS Evolved: Execution of crafted CLI commands allows for arbitrary shell injection as root — Junos OS CWE-78 6.7 Medium 2026-04-09
CVE-2026-33790 Junos OS: SRX Series: In a NAT64 configuration, receipt of a specific, malformed ICMPv6 packet will cause the srxpfe process to crash and restart. — Junos OS CWE-754 7.5 High 2026-04-09
CVE-2026-33787 Junos OS: SRX1500, SRX4100, SRX4200, SRX4600: When a specific show command is executed chassisd crashes — Junos OS CWE-754 5.5 Medium 2026-04-09
CVE-2026-33785 Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands in a JDM/CSDS scenario — Junos OS CWE-862 8.8 High 2026-04-09
CVE-2026-33784 JSI Virtual Lightweight Collector: Default password is not required to be changed which allows unauthorized high-privileged access — JSI LWC CWE-1393 9.8 Critical 2026-04-09
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 — Junos OS Evolved CWE-686 6.5 Medium 2026-04-09
CVE-2026-33781 Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed — Junos OS CWE-754 6.5 Medium 2026-04-09
CVE-2026-33778 Junos OS: SRX Series, MX Series: When a specifically malformed first ISAKMP packet is received kmd/iked crashes — Junos OS CWE-1286 7.5 High 2026-04-09

This page lists every published CVE security advisory associated with Juniper Networks. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.