CVE-2026-24439 Tenda W30E V2 Lacks X-Content-Type-Options Header

Low 2.1 Published Updated

The Tenda W30E V2 router lacks the X-Content-Type-Options header, allowing browsers to MIME sniff responses and potentially execute malicious scripts.

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

What is CVE-2026-24439?

CVE-2026-24439 is a low-severity vulnerability in Tenda W30e Firmware, published on 26 Jan 2026. An attacker can exploit it over the internet without logging in, 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) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.

Weakness: CWE-116

Which versions are affected by CVE-2026-24439?

It affects 1 product.

Products include Tenda W30e Firmware.

How do I fix CVE-2026-24439?

No fix has been published for CVE-2026-24439 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-24439 being exploited?

There is no known exploitation of CVE-2026-24439 in the wild and no public exploit code.

All Tenda W30e Firmware vulnerabilities

Sources

Also known as GHSA-w69g-qrmr-3cf2.

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