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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-33009

Quick assessment

Affected
Zyxel ATP series firmware
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP V4.32版本至V5.36 Patch 1版本存在安全漏洞，该漏洞源于存在缓冲区溢出漏洞，可能允许未经身份验证的攻击者造成拒绝服务(DoS)，甚至在受影响的设备上远程执行代码。

CVSS 9.8 · Critical KEV EPSS 28.14% · P98
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-33009

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel ATP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP V4.32版本至V5.36 Patch 1版本存在安全漏洞，该漏洞源于存在缓冲区溢出漏洞，可能允许未经身份验证的攻击者造成拒绝服务(DoS)，甚至在受影响的设备上远程执行代码。
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)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel ATP series firmware 4.60 through 5.36 Patch 1 -
Zyxel USG FLEX series firmware 4.60 through 5.36 Patch 1 -
Zyxel USG FLEX 50(W) firmware 4.60 through 5.36 Patch 1 -
Zyxel USG20(W)-VPN firmware 4.60 through 5.36 Patch 1 -
Zyxel VPN series firmware 4.60 through 5.36 Patch 1 -
Zyxel ZyWALL/USG series firmware 4.60 through 4.73 Patch 1 -

II. Public POCs for CVE-2023-33009

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-33009

请登录查看更多情报信息。

Other References for CVE-2023-33009 (1)

IV. Related Vulnerabilities

Same product: ATP series firmware
Same vendor: Zyxel
Same weakness: CWE-120

V. Comments for CVE-2023-33009

No comments yet

Leave a comment