CVE-2025-68706

A stack-based buffer overflow exists in the GoAhead-Webs HTTP daemon on KuWFi 4G LTE AC900 devices with firmware 1.0.13. The /goform/formMultiApnSetting handler uses sprintf() to copy the user-supplied pincode parameter into a fixed 132-byte stack buffer with no bounds checks. This allows an attacker to corrupt adjacent stack memory, crash the web server, and (under certain conditions) may enable arbitrary code execution.

• CWE-121

• https://drive.proton.me/urls/HJCJYAC7JM#XtHcm3P7QaYkBroken Link
• https://github.com/actuator/cve/blob/main/Kuwfi/CVE-2025-68706.txtThird Party Advisory
• https://github.com/actuator/cve/tree/main/KuwfiThird Party Advisory
• https://kuwfi.com/products/kuwfi-gigabit-wireless-router-4g-lte-wifi-router-dual-band-portable-wifi-modem-hotspot-64-user-with-gigabit-wan-lan-rj11-portProduct

Published

Dec 29, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

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