CVE-2026-90689— Tenda W20E formDelWebAuthWhiteUser stack-based overflow
Quick assessment
Affected
Tenda W20E
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Tenda W20E 15.11.0.61068_1546_841_CN_TDC 固件中发现了安全漏洞。受影响的函数是 。通过对参数 进行特定操控，可触发基于栈的缓冲区溢出（stack-based buffer overflow）。该攻击可远程发起。
Possible ATT&CK Techniques 3 AI
T1071 · Application Layer Protocol T1190 · Exploit Public-Facing Application T1200 · Hardware Additions
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I. Basic Information for CVE-2026-90689
Vulnerability Information
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Vulnerability Title
Tenda W20E formDelWebAuthWhiteUser stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely.
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
Affected Products
II. Public POCs for CVE-2026-90689
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Proof of Concept for CVE-2026-90689 (1)
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V. Comments for CVE-2026-90689
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