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

Published Jan 26, 2026
·
Updated

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.

Affected Software

3 affected components
Tenda W30E V2<=V16.01.0.19(5037)
All of the following
Tenda W30e Firmware<=16.01.0.19\(5037\)
Tenda W30E=2.0

Event History

Jan 26, 2026
CVE Published
via MITRE·05:40 PM
Data Sourced
via MITRE·05:40 PM
DescriptionWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
May 24, 58049
Event
via FIRST·05:24 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-24436?

The severity of CVE-2026-24436 is considered high due to its potential for allowing brute-force attacks on the authentication endpoints.

2

How do I fix CVE-2026-24436?

To fix CVE-2026-24436, update the Tenda W30E V2 firmware to a version that implements rate limiting and account lockout mechanisms.

3

What type of devices are affected by CVE-2026-24436?

CVE-2026-24436 affects the Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037).

4

What are the implications of CVE-2026-24436?

The implications of CVE-2026-24436 include unauthorized access to the admin interface due to unrestricted brute-force attempts.

5

Is there a workaround for CVE-2026-24436?

A temporary workaround for CVE-2026-24436 is to implement additional security measures like changing the default admin credentials or using a VPN.

Contact

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