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CVE-2026-24436— Tenda W30E V2 Lacks Rate Limiting on Authentication

Quick assessment

Affected
Shenzhen Tenda Technology Co., Ltd. W30E V2
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.

Tenda W30E是中国腾达（Tenda）公司的一款路由器。 Tenda W30E V2 V16.01.0.19(5037)及之前版本存在安全漏洞，该漏洞源于身份验证端点未实施速率限制或账户锁定机制，可能导致暴力破解攻击。

AI Predicted 7.5 Difficulty: Easy EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

Affected Version Matrix 1

VendorProduct Version RangeStatus
Shenzhen Tenda Technology Co., Ltd. W30E V2 ≤ 16.01.0.19(5037) affected
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I. Basic Information for CVE-2026-24436

Vulnerability Information
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Vulnerability Title
Tenda W30E V2 Lacks Rate Limiting on Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account lockout mechanisms on authentication endpoints. This allows attackers to perform unrestricted brute-force attempts against administrative credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda W30E 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda W30E是中国腾达（Tenda）公司的一款路由器。 Tenda W30E V2 V16.01.0.19(5037)及之前版本存在安全漏洞，该漏洞源于身份验证端点未实施速率限制或账户锁定机制，可能导致暴力破解攻击。
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
Shenzhen Tenda Technology Co., Ltd. W30E V2 0 ~ 16.01.0.19(5037) -

II. Public POCs for CVE-2026-24436

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III. Intelligence Information for CVE-2026-24436

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Same Patch Batch · Shenzhen Tenda Technology Co., Ltd. · 2026-01-26 · 11 CVEs total

CVE-2026-24433 Tenda W30E V2 Stored XSS via Username Field
CVE-2026-24435 Tenda W30E V2 Permissive CORS Allows Cross-origin Data Access
CVE-2026-24431 Tenda W30E V2 Web UI Reveals Passwords in Cleartext
CVE-2026-24437 Tenda W30E V2 Missing Cache Controls for Credential-bearing Pages
CVE-2026-24430 Tenda W30E V2 HTTP Responses Expose Plaintext Credentials
CVE-2026-24432 Tenda W30E V2 Missing CSRF Protections for Administrative Actions
CVE-2026-24440 Tenda W30E V2 Allows Password Changes Without Verifying Current Password
CVE-2026-24439 Tenda W30E V2 Lacks X-Content-Type-Options Header
CVE-2026-24429 Tenda W30E V2 Hardcoded Default Password for Built-in Account
CVE-2026-24428 Tenda W30E V2 Incorrect Authorization Allows Administrator Password Change

IV. Related Vulnerabilities

Same product: W30E V2
Same vendor: Shenzhen Tenda Technology Co., Ltd.
Same weakness: CWE-307

V. Comments for CVE-2026-24436

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