CVE-2026-24440CWE-620

Tenda W30E V2 Allows Password Changes Without Verifying Current Password

High · published January 26, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
23.0
In the wild
Unconfirmed
What it is

⚡ A sneaky loophole in the Tenda W30E V2 firmware lets anyone change account passwords without breaking a sweat! Just grab access to the maintenance interface, and voilà—passwords are up for grabs! Think of it like a hotel where anyone can walk up to the front desk and change their room key without showing ID. That's exactly what this vulnerability allows—unauthorized guests can suddenly gain access to your room! This means that if an attacker gets access to the maintenance interface, they could easily change the account password and lock you out, taking control of your network. Imagine the chaos—your smart home devices could be at their mercy, and your sensitive information might be just a few clicks away. It's a serious risk to your security!

Put simply

Think of it like a hotel where anyone can walk up to the front desk and change their room key without showing ID. That's exactly what this vulnerability allows—unauthorized guests can suddenly gain access to your room! The vulnerability in the Shenzhen Tenda W30E V2 allows attackers to change account passwords through the maintenance interface without needing to verify the existing password, bypassing the necessary authentication checks entirely.

What to do

This means that if an attacker gets access to the maintenance interface, they could easily change the account password and lock you out, taking control of your network. Imagine the chaos—your smart home devices could be at their mercy, and your sensitive information might be just a few clicks away. It's a serious risk to your security! To secure your network, immediately upgrade the firmware to version 16.01.0.20 or later, which addresses this vulnerability. Additionally, restrict access to the maintenance interface from untrusted networks and regularly conduct security audits to ensure your system remains safe. You've got this! Follow these steps, and you'll boost your network security in no time! 🛡️

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00313 · 23.0th percentile
Weakness
CWE-620 · Unverified Password Change
Published
2026-01-26T17:38Z
EPSS history
Timeline
  • 26 JAN 17:38Z
    Tenda W30E V2 Allows Password Changes Without Verifying Current Password
    cvelistv5