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Medium severity5.5NVD Advisory· Published Jul 9, 2026· Updated Jul 14, 2026

CVE-2026-33802

CVE-2026-33802

Description

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series allows a local, authenticated attacker to cause a Denial-of-Service (DoS).

On EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) and EX4400 switches, an authenticated, local attacker with no specific permissions or class can execute a specific, privileged CLI 'request' command which will cause complete traffic impact until the system automatically recovers.

This issue affects Junos OS on EX2300, EX4000, EX4100, EX4300-MP (Multigigabit) and EX4400:

  • 23.2R2 versions before 23.2R2-S6,
  • 23.4 versions before 23.4R2-S8,
  • 24.2 versions before 24.2R2-S4,
  • 24.4 versions before 24.4R2-S3,
  • 25.2 versions before 25.2R2,
  • 25.4 versions before 25.4R1-S1.

Affected products

41
  • Juniper Networks/Junosllm-fuzzy40 versions
    (expand)+ 39 more
    • (no CPE)
    • cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.2:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.2:r2-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.2:r2-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:23.4:r2-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.2:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.4:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.4:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.4:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.4:r1-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.4:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:24.4:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:25.2:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:25.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:25.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:25.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:25.4:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:25.4:r1:*:*:*:*:*:*
  • Juniper Networks/EX Seriesllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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