High [CVE-2026-102079] OS command injection vulnerability in the CLI of Juniper Networks Junos OS allows a local, low privileged attacker to take complete control of the device
This high-severity Juniper Networks advisory covers CVE-2026-102079 affecting Junos OS.
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Summary
An OS command injection vulnerability in the CLI of Juniper Networks Junos OS allows a local, low privileged attacker to take complete control of the device.
A specific 'request csds' command doesn't sanitize user provided input so that it can be interpreted as a command. This allows unintended command execution with root privileges, which can lead to unauthorized system access or modification.
This issue affects Junos OS:
- 24.4 versions before 24.4R2-S4;
- 25.2 versions before 25.2R2-S1;
- 25.4 versions before 25.4R1-S3;
This issue does not affect Junos OS releases before 24.4R1.
- 24.4
- 25.2
- 25.4
Official advisory · high-confidence parse· fetched 7 days ago·verify at source
- 24.4R2-S4
- 25.2R2-S1
- 25.4R1-S3
- 24.4R1
Official advisory · high-confidence parse· fetched 7 days ago·verify at source
Mitigation
Upgrade to a fixed release: 24.4R2-S4, 25.2R2-S1, 25.4R1-S3, 24.4R1. 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 7 days ago·verify at source
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