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High8.8Juniper Networks

High [CVE-2026-33785] Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on MX Series allows a local, authenticated user with low privileges to execute specific commands which will lead to a complete compromise of managed devices

This high-severity Juniper Networks advisory covers CVE-2026-33785 affecting Junos OS, Junos, MX.

CVE-2026-33785 Published Apr 9, 2026Updated by vendor Jun 17, 2026
CVE-2026-33785
Affected products & platforms
Juniper NetworksRoutersJunosMX / Routers
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Summary

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on MX Series allows a local, authenticated user with low privileges to execute specific commands which will lead to a complete compromise of managed devices.

Any user logged in, without requiring specific privileges, can issue 'request csds' CLI operational commands.

These commands are only meant to be executed by high privileged or users designated for Juniper Device Manager (JDM) / Connected Security Distributed Services (CSDS) operations as they will impact all aspects of the devices managed via the respective MX.

This issue affects Junos OS on MX Series:

  • 24.4 releases before 24.4R2-S3,
  • 25.2 releases before 25.2R2.

This issue does not affect Junos OS releases before 24.4.

Affected products named by the advisory: MX.

Affected products named by the advisory: MX.

Affected versions
  • 25.2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 24.4R2-S3
  • 25.2R2
  • 24.4

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 24.4R2-S3, 25.2R2, 24.4. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

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