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CVE-2026-7606— TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity

CVSS 3.7 · Low EPSS 0.03% · P9
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I. Basic Information for CVE-2026-7606

Vulnerability Information
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Vulnerability Title
TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in TRENDnet TEW-821DAP 1.12B01. This issue affects the function find_hwid/new_gui_update_firmware of the component Firmware Update Handler. Executing a manipulation of the argument dest can lead to insufficient verification of data authenticity. The attack can be launched remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". 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:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对数据真实性的验证不充分
Source: NVD (National Vulnerability Database)
Vulnerability Title
TRENDnet TEW-821DAP 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TRENDnet TEW-821DAP是美国趋势网络（TRENDnet）公司的一款无线接入点。 TRENDnet TEW-821DAP 1.12B01版本存在数据伪造问题漏洞，该漏洞源于Firmware Update Handler组件中find_hwid/new_gui_update_firmware函数对参数dest操作不当，可能导致数据真实性验证不足。
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

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

II. Public POCs for CVE-2026-7606

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III. Intelligence Information for CVE-2026-7606

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Same Patch Batch · TRENDnet · 2026-05-02 · 6 CVEs total

CVE-2026-76078.8 HIGHTRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow
CVE-2026-76096.3 MEDIUMTRENDnet TEW-821DAP Firmware Udpate diagnostic tools_diagnostic os command injection
CVE-2026-76085.5 MEDIUMTRENDnet TEW-821DAP tools_diagnostic os command injection
CVE-2026-76103.7 LOWTRENDnet TEW-821DAP Firmware Update ssi cleartext transmission
CVE-2026-76113.7 LOWTRENDnet TEW-821DAP Firmware Update cameo_dev.sh platform_do_upgrade_cameo_dev data authen

IV. Related Vulnerabilities

Same product: TEW-821DAP
Same vendor: TRENDnet
Same weakness: CWE-345

V. Comments for CVE-2026-7606

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