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CVE-2026-4172— TRENDnet TEW-632BRP HTTP POST Request ping_response.cgi stack-based overflow

Quick assessment

Affected
TRENDnet TEW-632BRP
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.

TRENDnet TEW-632BRP是美国趋势网络（TRENDnet）公司的一款无线路由器。 TRENDnet TEW-632BRP 1.010B32版本存在安全漏洞，该漏洞源于对文件/ping_response.cgi中参数ping_ipaddr的错误操作，可能导致栈缓冲区溢出攻击。

CVSS 7.2 · High EPSS 0.85% · P57
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I. Basic Information for CVE-2026-4172

Vulnerability Information
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Vulnerability Title
TRENDnet TEW-632BRP HTTP POST Request ping_response.cgi stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /ping_response.cgi of the component HTTP POST Request Handler. The manipulation of the argument ping_ipaddr results in stack-based buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TRENDnet TEW-632BRP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TRENDnet TEW-632BRP是美国趋势网络（TRENDnet）公司的一款无线路由器。 TRENDnet TEW-632BRP 1.010B32版本存在安全漏洞，该漏洞源于对文件/ping_response.cgi中参数ping_ipaddr的错误操作，可能导致栈缓冲区溢出攻击。
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
TRENDnet TEW-632BRP 1.010B32 cpe:2.3:o:trendnet:tew-632brp_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4172

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9455 chars
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III. Intelligence Information for CVE-2026-4172

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Vendor Advisories for CVE-2026-4172 (2)

Other References for CVE-2026-4172 (1)

IV. Related Vulnerabilities

Same vendor: TRENDnet
Same weakness: CWE-121

V. Comments for CVE-2026-4172

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