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Vendor/product archive

juniper / qfx5120 CVEs

Beta · best-effort

39 CVEs tagged to juniper / qfx51201 Critical, 18 High, 20 Medium, 0 Low, 0 Unrated.

CVE-2026-57029

Published Jul 9, 2026

A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to cause a De…

CVSS 6.0 · Medium
evidence mentions
1
Buzz score
11.9

CVE-2026-33781

Published Apr 9, 2026

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on specific EX and QFX Series devices allo…

CVSS 7.1 · High
evidence mentions
1
Buzz score
11.9

CVE-2026-33773

Published Apr 9, 2026

An Incorrect Initialization of Resource vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on specific EX Series and QFX Series device allows an unau…

CVSS 6.9 · Medium
evidence mentions
1
Buzz score
11.9

CVE-2025-59969

Published Apr 9, 2026

A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper Networks Junos OS Ev…

CVSS 7.1 · High

CVE-2026-21910

Published Jan 15, 2026

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on EX4k Series and QFX5k Series platforms…

CVSS 7.1 · High
evidence mentions
2
Buzz score
17.5

CVE-2025-59957

Published Oct 9, 2025

An Origin Validation Error vulnerability in an insufficient protected file of Juniper Networks Junos OS on EX4600 Series and QFX5000 Series allows an unauthenticated attacker with…

CVSS 7.0 · High

CVE-2025-30644

Published Apr 9, 2025

A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator (FPC) of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-…

CVSS 7.7 · High

CVE-2024-39533

Published Jul 11, 2024

An Unimplemented or Unsupported Feature in the UI vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an unauthenticated, network-based attacker…

CVSS 6.9 · Medium

CVE-2024-30388

Published Apr 12, 2024

An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series and EX Series allows an unauthenti…

CVSS 7.1 · High

CVE-2024-21595

Published Jan 12, 2024

An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a network-based, unauthenticated a…

CVSS 7.5 · High

CVE-2023-22405

Published Jan 13, 2023

An Improper Preservation of Consistency Between Independent Representations of Shared State vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows…

CVSS 6.5 · Medium

CVE-2021-31370

Published Oct 19, 2021

An Incomplete List of Disallowed Inputs vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an adjacent unauthe…

CVSS 6.5 · Medium

CVE-2021-0247

Published Apr 22, 2021

A Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization) vulnerability in the firewall process (dfwd) of Juniper Networks Junos OS allows an att…

CVSS 5.1 · Medium
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