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CVE-2026-15483— TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow

CVSS 8.8 · High
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I. Basic Information for CVE-2026-15483

Vulnerability Information
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Vulnerability Title
TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible to initiate the attack remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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)

Affected Products

VendorProductAffected VersionsCPESubscribe
TRENDnetTEW-821DAP 1.12B01 cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15483

#POC DescriptionSource LinkShenlong Link
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 8077 chars
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III. Intelligence Information for CVE-2026-15483

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Vendor Advisories for CVE-2026-15483 (1)

Same Patch Batch · TRENDnet · 2026-07-12 · 6 CVEs total

CVE-2026-154848.8 HIGHTRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow
CVE-2026-154818.8 HIGHTrendnet TEW-635BRM IPoA WAN Connection Setup rc ipoa_test command injection
CVE-2026-154808.8 HIGHTrendnet TEW-635BRM Web Service rc start_httpd stack-based overflow
CVE-2026-154866.3 MEDIUMTRENDnet TEW-821DAP Firmware Update tools_ddns sub_42026C os command injection
CVE-2026-154856.3 MEDIUMTRENDnet TEW-821DAP DNS Lookup tools_nslookup sub_43F2C4 os command injection

IV. Related Vulnerabilities

Same product: TEW-821DAP
Same vendor: TRENDnet
Same weakness: CWE-120

V. Comments for CVE-2026-15483

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