PT-2026-31752 · Juniper Networks · Junos+3

Published 2026-04-09 · Updated 2026-04-09 · CVE-2026-33786

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 24.4R1-S3 and 24.4R2 on SRX1600, SRX2300 and SRX4300.

Description A flaw exists in the chassis control daemon (chassisd) that can lead to a Denial of Service (DoS). Executing a specific 'show chassis' command causes chassisd to crash and restart, momentarily impacting all traffic until modules are back online. This impacts devices running Junos OS on SRX1600, SRX2300 and SRX4300.

Recommendations Update to Junos OS version 24.4R1-S3 or later. Update to Junos OS version 24.4R2 or later.

Fix

Improper Check for Exceptional Conditions

Weakness Enumeration

CWE-754

Related Identifiers

CVE-2026-33786

Affected Products

Junos

Srx1600

Srx2300

Srx4300

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-33786 · Security Note
• https://kb.juniper.net/JSA107810 · Vendor Advisory
• https://twitter.com/CVEnew/status/2042364307682304485 · Twitter Post