CVE-2026-24433 Tenda W30E V2 Stored XSS via Username Field

Medium 5.1 Published 26 Jan 2026 Updated 14 May 2026

Attackers can inject malicious scripts via the username field, leading to code execution or account takeover when admins view management pages.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-24433?

CVE-2026-24433 is a medium-severity cross-site scripting vulnerability in Tenda W30e Firmware, published on 26 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain a stored cross-site scripting vulnerability in the user creation functionality. Insufficient input validation allows attacker-controlled script content to be stored and later executed when administrative users access the affected management pages.

Weakness: CWE-79

Which versions are affected by CVE-2026-24433?

It affects 1 product.

Products include Tenda W30e Firmware.

How do I fix CVE-2026-24433?

No fix has been published for CVE-2026-24433 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-24433 being exploited?

There is no known exploitation of CVE-2026-24433 in the wild and no public exploit code.

All Tenda W30e Firmware vulnerabilities

Sources

Also known as GHSA-4pfw-2gcp-q7h8.