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vulnerabilities
NCSC-2026-0430 Vulnerabilities fixed in Juniper Networks Junos OS
Juniper Networks released patches for multiple vulnerabilities in Junos OS affecting various components including VXLAN gateway daemon, routing protocol daemon, authentication daemon, and management interfaces. The flaws, which span MX Series routers, SRX Series firewalls, and other devices, can be exploited by sending specially crafted packets or messages to cause process crashes, denial of service, or remote code execution with root privileges, often without authentication required.
Why it matters: Organizations running Juniper MX and SRX devices need to prioritize patching these vulnerabilities immediately, as they enable denial of service and arbitrary code execution in critical routing and security infrastructure, with some requiring no authentication.
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- First seen by Cybersecurity Tracker