CVE-2026-6988 Tenda HG10 Boa Service formRouting formRoute buffer overflow

High 8.7 Published 25 Apr 2026 Updated 27 Apr 2026

Remote attackers can trigger a buffer overflow in the Tenda HG10 router's Boa Service via the formRoute function, potentially leading to code execution or denial of service.

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-2026-6988?

CVE-2026-6988 is a high-severity memory corruption vulnerability in Tenda HG10, published on 25 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw has been found in Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon. This issue affects the function formRoute of the file /boaform/formRouting of the component Boa Service. This manipulation of the argument nextHop causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-6988?

It affects 1 product.

Products include Tenda Hg10 Firmware.

How do I fix CVE-2026-6988?

No fix has been published for CVE-2026-6988 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-2026-6988 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6988 exists.

Sources

Also known as GHSA-xw6x-qvx6-jcr3.