CVE-2022-30525

KEV
Published: Mag 12, 2022 Last Modified: Ott 27, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 10,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9445
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability Non-Repudiation
Potential Impacts:
Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Read Files Or Directories Modify Files Or Directories Read Application Data Modify Application Data Hide Activities
Applicable Platforms
Technologies: AI/ML, Not Technology-Specific, Web Server
Likelihood of Exploit: High
View CWE Details
Exploit

Zyxel USG FLEX 5.21 - OS Command Injection

Zyxel USG FLEX 5.21 - OS Command Injection

Author: Valentin Lobstein Published:
View Exploit Code →
Operating System

Usg Flex 700 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Usg Flex 700 Firmware
Version Range Affected
From 5.00 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Vpn50 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Vpn50 Firmware
Version Range Affected
From 4.60 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:vpn50_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Atp500 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Atp500 Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Usg Flex 500 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Usg Flex 500 Firmware
Version Range Affected
From 5.00 (inclusive)
To 5.30 (inclusive)
cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Vpn300 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Vpn300 Firmware
Version Range Affected
From 4.60 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:vpn300_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Atp100W Firmware by Zyxel

Product Information
Vendor Zyxel
Product Atp100W Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Vpn100 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Vpn100 Firmware
Version Range Affected
From 4.60 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:vpn100_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Atp100 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Atp100 Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Usg Flex 200 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Usg Flex 200 Firmware
Version Range Affected
From 5.00 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Atp800 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Atp800 Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Usg Flex 100W Firmware by Zyxel

Product Information
Vendor Zyxel
Product Usg Flex 100W Firmware
Version Range Affected
From 5.00 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Usg20W-Vpn Firmware by Zyxel

Product Information
Vendor Zyxel
Product Usg20W-Vpn Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Atp200 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Atp200 Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Atp700 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Atp700 Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Usg Flex 50W Firmware by Zyxel

Product Information
Vendor Zyxel
Product Usg Flex 50W Firmware
Version Range Affected
From 5.10 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Vpn1000 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Vpn1000 Firmware
Version Range Affected
From 4.60 (inclusive)
To 5.30 (exclusive)
cpe:2.3:o:zyxel:vpn1000_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022…
http://packetstormsecurity.com/files/167176/Zyxel-Remote-Co…
http://packetstormsecurity.com/files/167176/Zyxel-Remote-Command-Execution.html
http://packetstormsecurity.com/files/167182/Zyxel-Firewall-…
http://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-…
http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-…
http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injecti…
http://packetstormsecurity.com/files/168202/Zyxel-Firewall-…
http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privileg…
https://www.zyxel.com/support/Zyxel-security-advisory-for-O…
https://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-…
http://packetstormsecurity.com/files/167176/Zyxel-Remote-Co…
http://packetstormsecurity.com/files/167176/Zyxel-Remote-Command-Execution.html
http://packetstormsecurity.com/files/167182/Zyxel-Firewall-…
http://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-…
http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-…
http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injecti…
http://packetstormsecurity.com/files/168202/Zyxel-Firewall-…
http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privileg…
https://www.zyxel.com/support/Zyxel-security-advisory-for-O…
https://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-…