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CVE-2026-33787

6.8 medium SSVC exploitation: none Analyzed

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon (chassisd) of Juniper Networks Junos OS on SRX1500, SRX4100, SRX4200 and SRX4600 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 SRX1500, SRX4100, SRX4200 and SRX4600: * 23.2 versions before 23.2R2-S6, * 23.4 versions before 23.4R2-S7 * 24.2 versions before 24.2R2-S2, * 24.4 versions before 24.4R2, * 25.2 versions before 25.2R1-S1, 25.2R2.

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 22:10

Affected (CPE criteria) 34

  • cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r1-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r2-s3:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r2-s4:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.2:r2-s5:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r2-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r2-s3:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r2-s4:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r2-s5:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:23.4:r2-s6:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.2:r1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.2:r1-s1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.2:r1-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.2:r2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:24.2:r2-s1:*:*:*:*:*:*
  • 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:r1-s3:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:25.2:-:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:25.2:r1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:25.2:r2:*:*:*:*:*:*

References 1