CVE-2025-14709 Shiguangwu sgwbox N3 WIRELESSCFGGET http_eshell_server buffer overflow

Critical 9.3 Published 15 Dec 2025 Updated 15 Dec 2025

Remote attackers can trigger a buffer overflow in the http_eshell_server component via the WIRELESSCFGGET interface, potentially leading to code execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-14709?

CVE-2025-14709 is a critical memory corruption vulnerability in Shiguangwu sgwbox N3, published on 15 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A security vulnerability has been detected in Shiguangwu sgwbox N3 2.0.25. Affected by this issue is some unknown functionality of the file /usr/sbin/http_eshell_server of the component WIRELESSCFGGET Interface. The manipulation of the argument params leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-14709?

It affects 1 product.

Products include Sgwbox N3 Firmware.

How do I fix CVE-2025-14709?

No fix has been published for CVE-2025-14709 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-2025-14709 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-14709 exists.

Sources

Also known as GHSA-gjj8-h4fr-jgwm.