CVE-2025-7673
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I. Basic Information for CVE-2025-7673
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A buffer overflow vulnerability in the URL parser of the zhttpd web server in Zyxel VMG8825-T50K firmware versions prior to V5.50(ABOM.5)C0 could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and potentially execute arbitrary code by sending a specially crafted HTTP request.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 VMG8825-T50K 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel VMG8825-T50K是中国合勤（Zyxel）公司的一款互联网接入设备。 Zyxel VMG8825-T50K V5.50(ABOM.5)C0之前版本存在安全漏洞，该漏洞源于URL解析器缓冲区溢出，可能导致拒绝服务或执行任意代码。
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
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Zyxel | VMG8825-T50K firmware | < V5.50(ABOM.5)C0 | - |
II. Public POCs for CVE-2025-7673
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-120
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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-2025-7673
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