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CVE-2026-33786

6.8 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.8 · juniperNVD modified 2026-10-26 00:10

Affected (CPE criteria) 4

  • cpe:2.3:o:juniper:junos:24.4:-:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.4:r1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.4:r1-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.4:r2:*:*:*:*:*:*

References 1