Junos OS Evolved — Cyber Threats, Attacks & Incidents

Related Threat Clusters

• Critical DoS Vulnerabilities Found in Juniper Junos OS

  Two vulnerabilities, CVE-2026-33782 and CVE-2026-33783, have been identified in Juniper Junos OS that could allow attackers to trigger a complete Denial of Service (DoS) on affected devices. CVE-2026-33782 (CVSS 8.7)…

  2 articles · Updated April 14, 2026
• Critical Vulnerability in Juniper PTX Routers Allows Remote Code Execution

  A critical vulnerability identified as CVE-2026-21902 affects the Junos OS Evolved on PTX Series routers, enabling unauthenticated attackers to execute code with root privileges. These routers are widely used by…

  15 articles · Updated February 26, 2026
• Command Injection Vulnerability in MS-Agent Framework Discovered

  A command injection vulnerability was identified in the MS-Agent framework, allowing attackers to exploit improper input sanitization through its shell tool. This flaw can lead to arbitrary command execution on systems…

  7 articles · Updated March 3, 2026
• Junos OS Evolved CVE-2026-21902: Incorrect Permission Assignment Vulnerability

  CVE-2026-21902, published on February 25, 2026, identifies an incorrect permission assignment in Junos OS Evolved, which could lead to remote code execution (RCE). This vulnerability affects devices running the affected…

  2 articles · Updated March 3, 2026

Recent Intelligence Reports

• Warning: Vulnerabilities in Juniper Junos OS allow Denial of Service (CVE-2026 — Ccb.Belgium.Be · April 14, 2026
• Sometimes, You Can Just Feel The Security In The Design (Junos OS Evolved CVE — Labs.Watchtowr · March 3, 2026
• Sometimes, You Can Just Feel The Security In The Design (Junos OS Evolved CVE-2026-21902 RCE) — Reddit · March 3, 2026
• Vulnerability in MS-Agent AI Framework Can Allow Full System Compromise — Securityweek · March 3, 2026
• Juniper issues emergency patch for critical PTX router RCE — Securityaffairs.Co · February 27, 2026
• Juniper Networks PTX Routers Affected by Critical Vulnerability — Securityweek · February 27, 2026
• Juniper Networks PTX Vulnerability Enables Full Router Takeover — Cybersecuritynews · February 27, 2026
• Junos OS Evolved: Out-of-cycle update closes code smuggling vulnerability — Heise.De · February 27, 2026

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