Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2022-2030

Quick assessment

Affected
Zyxel USG FLEX 100(W) firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel USG FLEX是中国合勤科技（Zyxel）公司的一款防火墙。提供灵活的 VPN 选项（IPsec、SSL 或 L2TP），为远程工作和管理提供灵活的安全远程访问。 Zyxel产品存在安全漏洞，该漏洞源于一些CGI程序中发现了由未适当处理URL中的特定字符序列引起的目录穿越漏洞，这可能允许经过身份验证的攻击者访问受攻击设备上的一些受限文件。以下产品及版本受到影响：Zyxel USG FLEX 100(W)固件版本4.50至5.30、USG FLEX 200固件版本4.50至5.30、USG F

CVSS 6.5 · Medium EPSS 1.23% · P67
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-2030

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel USG FLEX 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel USG FLEX是中国合勤科技（Zyxel）公司的一款防火墙。提供灵活的 VPN 选项（IPsec、SSL 或 L2TP），为远程工作和管理提供灵活的安全远程访问。 Zyxel产品存在安全漏洞，该漏洞源于一些CGI程序中发现了由未适当处理URL中的特定字符序列引起的目录穿越漏洞，这可能允许经过身份验证的攻击者访问受攻击设备上的一些受限文件。以下产品及版本受到影响：Zyxel USG FLEX 100(W)固件版本4.50至5.30、USG FLEX 200固件版本4.50至5.30、USG F
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel USG FLEX 100(W) firmware 4.50 through 5.30 -
Zyxel USG FLEX 200 firmware 4.50 through 5.30 -
Zyxel USG FLEX 500 firmware 4.50 through 5.30 -
Zyxel USG FLEX 700 firmware 4.50 through 5.30 -
Zyxel ATP series firmware 4.32 through 5.30 -
Zyxel VPN series firmware 4.30 through 5.30 -
Zyxel USG FLEX 50(W) firmware 4.16 through 5.30 -
Zyxel USG 20(W)-VPN firmware 4.16 through 5.30 -
Zyxel USG/ZyWALL series firmware 4.11 through 4.72 -

II. Public POCs for CVE-2022-2030

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-2030

请登录查看更多情报信息。

Other References for CVE-2022-2030 (1)

IV. Related Vulnerabilities

Same product: USG FLEX 100(W) firmware
Same vendor: Zyxel
Same weakness: CWE-22

V. Comments for CVE-2022-2030

No comments yet

Leave a comment