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CVE-2023-43314

Quick assessment

Affected
Zyxel PMG2005-T20B
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel PMG是中国合勤（Zyxel）公司的一系列双频无线 ONT 家庭网关单元 。 Zyxel PMG v.PMG2005-T20B版本存在安全漏洞，该漏洞源于允许远程攻击者通过 cgi-bin/login.asp 组件中的 uid 参数使用精心设计的脚本造成拒绝服务。

CVSS 7.5 · High EPSS 0.79% · P55
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I. Basic Information for CVE-2023-43314

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 PMG 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel PMG是中国合勤（Zyxel）公司的一系列双频无线 ONT 家庭网关单元 。 Zyxel PMG v.PMG2005-T20B版本存在安全漏洞，该漏洞源于允许远程攻击者通过 cgi-bin/login.asp 组件中的 uid 参数使用精心设计的脚本造成拒绝服务。
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 PMG2005-T20B V1.00(ABNK.2)b11_C0 -

II. Public POCs for CVE-2023-43314

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 12255 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2023-43314

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Other References for CVE-2023-43314 (1)

IV. Related Vulnerabilities

Same vendor: Zyxel
Same weakness: CWE-120

V. Comments for CVE-2023-43314

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