Advisories

Tenda W30E V2 Lacks Rate Limiting on Authentication

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severity
critical
date
Affecting
  • W30E V2 firmware <= v16.01.0.19(5037)

CWE
  • CWE-307 Improper Restriction of Excessive Authentication Attempts
CVSS
9.2
CVSS V4 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
Credit
Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
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.

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