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CVE-2026-33786

MEDIUM CVSS: 5.5 Published: 2026-04-09 Modified: 2026-06-17

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon (chassisd) of Juniper Networks Junos OS on SRX1600, SRX2300 and SRX4300 allows a local attacker with low privileges to cause a complete Denial of Service (DoS). When a specific 'show chassis' CLI command is executed, chassisd crashes and restarts which causes a momentary impact to all traffic until all modules are online again. This issue affects Junos OS on SRX1600, SRX2300 and SRX4300: * 24.4 versions before 24.4R1-S3, 24.4R2. This issue does not affect Junos OS versions before 24.4R1.

Affected Platforms

Juniper Srx4300Juniper Srx2300Juniper Srx1600Juniper Junos

Weakness Type

CWE-754

References