CVE-2026-24440 Tenda W30E V2 Allows Password Changes Without Verifying Current Password

High 8.7 Published 26 Jan 2026 Updated 14 May 2026

Attackers can change admin passwords on Tenda W30E routers without verifying the current password, leading to unauthorized account takeover.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-24440?

CVE-2026-24440 is a high-severity authentication bypass vulnerability in Tenda W30e Firmware, published on 26 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) allow account passwords to be changed through the maintenance interface without requiring verification of the existing password. This enables unauthorized password changes when access to the affected endpoint is obtained.

Weakness: CWE-620

Which versions are affected by CVE-2026-24440?

It affects 1 product.

Products include Tenda W30e Firmware.

How do I fix CVE-2026-24440?

No fix has been published for CVE-2026-24440 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-24440 being exploited?

There is no known exploitation of CVE-2026-24440 in the wild and no public exploit code.

All Tenda W30e Firmware vulnerabilities

Sources

Also known as GHSA-46gc-wc69-mw4h.