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Junos OS — Vulnerabilities & Security Advisories 678

All 678 CVE vulnerabilities found in Junos OS, with AI-generated Chinese analysis, references, and POCs.

This page documents known Common Weakness Enumerations associated with Juniper Networks Junos OS. It aggregates data regarding software vulnerabilities, configuration errors, and security bypass issues affecting this specific network operating system. The collection includes vulnerabilities identified through official vendor advisories, independent security research, and public database entries. This resource covers a broad time range, capturing historical weaknesses from early releases to recent updates, ensuring a comprehensive view of the product’s security evolution. Visitors can track Juniper Networks' advisory patterns to understand how different weakness classes are addressed over time. Users can also examine the detailed history of specific vulnerabilities within Junos OS to assess impact and remediation strategies. This information is intended for security professionals, system administrators, and researchers who need to evaluate the risk posture of Juniper infrastructure. The content is structured to facilitate easy lookup of vulnerability details without overwhelming the reader with unnecessary technical noise. By consolidating these data points, the page serves as a central reference for understanding the security landscape of Junos OS. It avoids promotional language to maintain an objective and technical focus, ensuring that the information remains useful for decision-making and compliance purposes. All entries are sourced from verified disclosures to ensure accuracy and reliability.

Vendor: Juniper Networks

CVE IDTitleCVSSSeverityPublished
CVE-2026-57054 Junos OS: MX Series: Web filtering doesn't block specifically formatted URLs CWE-706 5.8 Medium2026-07-09
CVE-2026-57032 Junos OS: EX Series: Subscribing to an unsupported telemetry sensor path causes fxpc process crash CWE-236 6.5 Medium2026-07-09
CVE-2026-57031 Junos OS: MX Series: For subscribers configured on static interfaces, input filters are not in effect CWE-754 4.7 Medium2026-07-09
CVE-2026-57030 Junos OS: SRX Series: Flow sessions are not getting cleared leading to a DoS CWE-362 5.9 Medium2026-07-09
CVE-2026-57027 Junos OS: EX4100 Series, EX4400: With sFlow configured in a VC scenario multicast traffic leads to an FPC crash CWE-401 6.5 Medium2026-07-09
CVE-2026-57026 Junos OS: MX Series with SPC3, SRX Series: Processing of a specifically malformed SIP invite causes a flowd crash CWE-1286 7.5 High2026-07-09
CVE-2026-57025 Junos OS and Junos OS Evolved: EX Series, QFX Series, MX Series: A specific 'show l2-learning' command causes l2ald crash CWE-466 5.5 Medium2026-07-09
CVE-2026-57024 Junos OS: MX with SPC3, SRX Series: Repeated VPN negotiation failures will eventually cause iked to crash continuously CWE-694 5.3 Medium2026-07-09
CVE-2026-57023 Junos OS: MX with SPC3, SRX Series: A specifically malformed TCP packet causes a flowd crash CWE-1284 7.5 High2026-07-09
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 CWE-754 5.9 Medium2026-07-09
CVE-2026-57021 Junos OS: SRX Series: If VPN compliance-check is configured an attacker can cause http-gk process crash CWE-787 5.3 Medium2026-07-09
CVE-2026-57020 Junos OS: QFX10000 Series: IPv6 multicast traffic received on non-IRB interfaces causes a multicast flood CWE-754 6.5 Medium2026-07-09
CVE-2026-57019 Junos OS: MX Series: Specific traffic causes an FPC to reset CWE-1284 6.5 Medium2026-07-09
CVE-2026-33802 Junos OS: EX Series: Unauthorized users can execute service-impacting CLI command CWE-862 5.5 Medium2026-07-09
CVE-2026-33801 Junos OS and Junos OS Evolved: When a specifically malformed BGP route update is received RPD crashes CWE-754 6.5 Medium2026-07-09
CVE-2026-33800 Junos OS: MX Series: In a VC scenario a high rate of micro-BFD session flaps will cause an FPC crash CWE-606 6.5 Medium2026-07-09
CVE-2026-33799 Junos OS and Junos OS Evolved: Receipt of a specific SNMPv3 request results in memory leak and eventual snmpd crash CWE-787 4.3 Medium2026-07-09
CVE-2026-21901 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash CWE-476 4.4 Medium2026-07-09
CVE-2026-33791 Junos OS and Junos OS Evolved: Execution of crafted CLI commands allows for arbitrary shell injection as root CWE-78 6.7 Medium2026-04-09
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. CWE-754 7.5 High2026-04-09
CVE-2026-33787 Junos OS: SRX1500, SRX4100, SRX4200, SRX4600: When a specific show command is executed chassisd crashes CWE-754 5.5 Medium2026-04-09
CVE-2026-33785 Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands in a JDM/CSDS scenario CWE-862 8.8 High2026-04-09
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 CWE-754 6.5 Medium2026-04-09
CVE-2026-33778 Junos OS: SRX Series, MX Series: When a specifically malformed first ISAKMP packet is received kmd/iked crashes CWE-1286 7.5 High2026-04-09
CVE-2026-33776 Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information CWE-862 5.5 Medium2026-04-09
CVE-2026-33774 Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance are not in effect CWE-754 6.5 Medium2026-04-09
CVE-2026-33797 Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset CWE-20 7.4 High2026-04-09
CVE-2026-33779 Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communication CWE-296 6.5 Medium2026-04-09
CVE-2026-33775 Junos OS: MX Series: Mismatch between configured and received packet types causes memory leak in bbe-smgd CWE-401 6.5 Medium2026-04-09
CVE-2026-33782 Junos OS: MX Series: In specific DHCPv6 scenarios jdhcpd memory increases continuously with subscriber logouts CWE-401 6.5 Medium2026-04-09

All 678 known CVE vulnerabilities affecting Junos OS with full Chinese analysis, references, and POCs where available.