CVE-2026-33786 — Junos OS: SRX1600, SRX2300, SRX4300: When a specific show command is executed chassisd crashes

Description (CNA)

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 (CNA)

Vendor / product	Versions
Juniper Networks / Junos OS	affected 24.4 before 24.4R1-S3, 24.4R2

CWE

CWE-754

References

https://kb.juniper.net/JSA107810

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.