CVE-2026-24436 CRITICAL

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

Vendor Shenzhen Tenda Technology Co., Ltd.
Product W30E V2
Weakness CWE-307 · Brute force
Published January 26, 2026
Last update May 14, 2026

CVSS base score

9.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 26, 2026 CVE published
May 14, 2026 Record updated