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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 aggregates vulnerability data for Junos OS, a network operating system developed by Juniper Networks. It collects security flaws across multiple weakness types, covering advisories issued from 2010 through the most recent updates. Readers can use this resource to track the vendor's published advisories, understand specific weakness classes like memory corruption or improper input validation, and review the product's historical vulnerability trends without needing to search individual databases.

Vendor: Juniper Networks

CVE ID Title CVSS Severity Published
CVE-2026-57054 Junos OS: MX Series: Web filtering doesn't block specifically formatted URLs 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 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 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 CWE-362 5.9 Medium 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 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 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 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 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 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 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 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 CWE-754 6.5 Medium 2026-07-09
CVE-2026-57019 Junos OS: MX Series: Specific traffic causes an FPC to reset CWE-1284 6.5 Medium 2026-07-09
CVE-2026-33802 Junos OS: EX Series: Unauthorized users can execute service-impacting CLI command 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 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 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 CWE-787 4.3 Medium 2026-07-09
CVE-2026-21901 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash CWE-476 4.4 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 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. 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 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 CWE-862 8.8 High 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 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 CWE-1286 7.5 High 2026-04-09
CVE-2026-33776 Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information CWE-862 5.5 Medium 2026-04-09
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 Medium 2026-04-09
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 High 2026-04-09
CVE-2026-33779 Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communication CWE-296 6.5 Medium 2026-04-09
CVE-2026-33775 Junos OS: MX Series: Mismatch between configured and received packet types causes memory leak in bbe-smgd CWE-401 6.5 Medium 2026-04-09
CVE-2026-33782 Junos OS: MX Series: In specific DHCPv6 scenarios jdhcpd memory increases continuously with subscriber logouts CWE-401 6.5 Medium 2026-04-09

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