CISA Warns of Juniper Junos OS Improper Isolation Vulnerability Exploited in Wild

CISA has issued a warning regarding a newly discovered vulnerability affecting Juniper Networks’ Junos OS. The vulnerability, identified as CVE-2025-21590, involves an improper isolation or compartmentalization issue within the operating system’s kernel. This flaw could allow a local attacker with high-level privileges to inject arbitrary code, potentially compromising the integrity of affected devices. The vulnerability […]

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