Denial of Service Vulnerability in Junos OS Chassis Control Daemon on Juniper Networks Devices
CVE-2026-33786

6.8MEDIUM

Key Information:

Vendor

Juniper Networks
Status
Junos Os
Vendor
CVE Published:
9 April 2026

Badges

👾 Exploit Exists

What is CVE-2026-33786?

A vulnerability exists in the chassis control daemon (chassisd) of Junos OS on Juniper Networks SRX series devices that could allow a local attacker with low privileges to exploit the system. When the 'show chassis' CLI command is executed, it triggers a malfunction in chassisd, leading to a crash and subsequent restart. This results in disruption of traffic flow until all system modules are restored, potentially impacting network operations.

Affected Version(s)

Junos OS SRX1600 24.4 < 24.4R1-S3, 24.4R2

References

https://kb.juniper.net/JSA107810
vendor-advisory

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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