Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-7607— TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow

CVSS 8.8 · High EPSS 0.63% · P47

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
TRENDnetTEW-821DAP1.12B01affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-7607

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. 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: 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
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
TRENDnet TEW-821DAP 缓冲区错误漏洞
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版本存在缓冲区错误漏洞，该漏洞源于Firmware Udpate组件中auto_update_firmware函数对参数str操作不当，可能导致缓冲区溢出。
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-2026-7607

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-7607

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-7607 (1)

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

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-2026-76063.7 LOWTRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity
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-120

V. Comments for CVE-2026-7607

No comments yet

Leave a comment