CVE-2023-4397
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I. Basic Information for CVE-2023-4397
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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存在安全漏洞，该漏洞源于存在缓冲区溢出漏洞，可能允许经过身份验证的本地攻击者通过精心设计的CLI命令导致拒绝服务(DoS)。
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 | ATP series firmware | 5.37 | - | |
| Zyxel | USG FLEX series firmware | 5.37 | - | |
| Zyxel | USG FLEX 50(W) series firmware | 5.37 | - | |
| Zyxel | USG20(W)-VPN series firmware | 5.37 | - |
II. Public POCs for CVE-2023-4397
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Zyxel · 2023-11-28 · 9 CVEs total
| CVE-2023-4398 | 7.5 HIGH | Zyxel ATP 输入验证错误漏洞 |
| CVE-2023-5960 | 5.5 MEDIUM | Zyxel USG FLEX 安全漏洞 |
| CVE-2023-5797 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-5650 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-37926 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-37925 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-35136 | 5.5 MEDIUM | Zyxel ATP 输入验证错误漏洞 |
| CVE-2023-35139 | 5.2 MEDIUM | Zyxel ATP 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-120
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D-Link DCS-935L HNAP Service hnap_service SetDeviceSettings - CVE-2026-8137
Totolink X5000R formDdns sub_458E40 buffer overflow - CVE-2026-6691
MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow - CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow - CVE-2026-7856
D-Link DI-8100 Web Management url_member.asp buffer overflow
V. Comments for CVE-2023-4397
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