JUNOS
Critical Juniper Networks PTX flaw allows full router takeover
A critical vulnerability in the Junos OS Evolved network operating system running on PTX Series routers from Juniper Networks could allow an unauthenticated attacker to execute code remotely with root privileges. PTX Series routers are high-performance core and peering routers built for high throughput, low latency, and scale. They are commonly used by internet service providers, telecommunication […]
Juniper patches bug that let Chinese cyberspies backdoor routers
Juniper Networks has released emergency security updates to patch a Junos OS vulnerability exploited by Chinese hackers to backdoor routers for stealthy access. This medium severity flaw (CVE-2025-21590) was reported by Amazon security engineer Matteo Memelli and is caused by an improper isolation or compartmentalization weakness. Successful exploitation lets local attackers with high privileges execute arbitrary code on […]