CVE-2026-7034 Tenda FH1202 httpd WrlExtraSet stack-based overflow

High 8.7 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the Tenda FH1202 httpd service via the Go argument, potentially leading to code execution.

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-2026-7034?

CVE-2026-7034 is a high-severity memory corruption vulnerability in Tenda Fh1202 Firmware, published on 26 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Tenda FH1202 1.2.0.14(408). Affected by this issue is the function WrlExtraSet of the file /goform/WrlExtraSet of the component httpd. Performing a manipulation of the argument Go results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2026-7034?

It affects 1 product.

Products include Tenda Fh1202 Firmware.

How do I fix CVE-2026-7034?

No fix has been published for CVE-2026-7034 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-7034 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7034 exists.

All Tenda Fh1202 Firmware vulnerabilities

Sources

Also known as GHSA-x535-8vjv-x87x.

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