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CVE-2026-10121— TRENDnet TEW-432BRP formSetUrlFilter stack-based overflow

Quick assessment

Affected
TRENDnet TEW-432BRP
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-432BRP是美国趋势网络（TRENDnet）公司的一款双频无线路由器。 TRENDnet TEW-432BRP 3.10B20版本存在安全漏洞，该漏洞源于文件/goform/formSetUrlFilter中函数formSetUrlFilter对参数keyword_list/keyword的操作导致栈缓冲区溢出，攻击者可远程发起攻击。

CVSS 8.8 · High EPSS 0.45% · P37

Affected Version Matrix 1

VendorProduct Version RangeStatus
TRENDnet TEW-432BRP 3.10B20 affected
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I. Basic Information for CVE-2026-10121

Vulnerability Information
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Vulnerability Title
TRENDnet TEW-432BRP formSetUrlFilter stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in TRENDnet TEW-432BRP 3.10B20. The impacted element is the function formSetUrlFilter of the file /goform/formSetUrlFilter. This manipulation of the argument keyword_list/keyword causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor explains: "This product has been EOL for 15 years (since 2009). As the item has been EOL for such a long time, we are not able to replicate or fix any vulnerabilities." This vulnerability only affects products that are no longer supported by the maintainer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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-432BRP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TRENDnet TEW-432BRP是美国趋势网络（TRENDnet）公司的一款双频无线路由器。 TRENDnet TEW-432BRP 3.10B20版本存在安全漏洞，该漏洞源于文件/goform/formSetUrlFilter中函数formSetUrlFilter对参数keyword_list/keyword的操作导致栈缓冲区溢出，攻击者可远程发起攻击。
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-432BRP 3.10B20 cpe:2.3:a:trendnet:tew-432brp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10121

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6810 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-10121

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Proof of Concept for CVE-2026-10121 (1)

Same Patch Batch · TRENDnet · 2026-05-30 · 5 CVEs total

CVE-2026-10123 8.8 HIGH TRENDnet TEW-432BRP formSetDomainFilter stack-based overflow
CVE-2026-10122 8.8 HIGH TRENDnet TEW-432BRP formSetProtocolFilter stack-based overflow
CVE-2026-10120 8.8 HIGH TRENDnet TEW-432BRP formSetFirewallRule stack-based overflow
CVE-2026-10119 8.8 HIGH TRENDnet TEW-432BRP formSetMACFilter stack-based overflow

IV. Related Vulnerabilities

Same product: TEW-432BRP
Same vendor: TRENDnet
Same weakness: CWE-121

V. Comments for CVE-2026-10121

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