critical9.8
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Kuwfi | Ac900 Firmware | Version 1.0.13 |
Weakness classification
References
- NVD record
- CVE.org record
- https://drive.proton.me/urls/HJCJYAC7JM#XtHcm3P7QaYk
- https://github.com/actuator/cve/blob/main/Kuwfi/CVE-2025-68706.txt
- https://github.com/actuator/cve/tree/main/Kuwfi
- 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-port