Cyber Posture

CVE-2025-14709

CriticalPublic PoC

Published: 15 December 2025

Published
15 December 2025
Modified
30 December 2025
KEV Added
Patch
CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0042 62.3th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

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…

more

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.

Mitigating Controls (NIST 800-53 r5)AI

prevent

Requires validation of the 'params' argument to prevent buffer overflows from malformed input in the WIRELESSCFGGET interface.

prevent

Implements memory protections such as address space layout randomization and data execution prevention to mitigate exploitation of the buffer overflow vulnerability.

preventrecover

Mandates timely remediation of known flaws like this unpatched buffer overflow through patching, workarounds, or system isolation.

Security SummaryAI

CVE-2025-14709 is a buffer overflow vulnerability in Shiguangwu sgwbox N3 version 2.0.25. The flaw affects an unknown functionality within the /usr/sbin/http_eshell_server file of the WIRELESSCFGGET Interface component, triggered by manipulation of the "params" argument. It is classified under CWE-119 and CWE-120, with a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Remote attackers can exploit this vulnerability without authentication or user interaction, requiring only network access to the affected interface. Successful exploitation enables high-impact consequences, including unauthorized disclosure of sensitive data, modification of system resources, and denial of service, potentially leading to complete compromise of the device.

Advisories from VulDB indicate that the vendor was notified early about the issue but provided no response or patches. The exploit has been publicly disclosed, with details available via VulDB entries (ctiid.336426, id.336426, submit.706989) and a Notion page documenting the sgwbox NAS N3 buffer overflow. Security practitioners should isolate affected devices and monitor for exploitation attempts until mitigations are available.

Details

CWE(s)

Affected Products

sgwbox
n3 firmware
≤ 2.0.25

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Buffer overflow in public-facing HTTP interface (WIRELESSCFGGET) allows unauthenticated remote exploitation for RCE, directly mapping to Exploit Public-Facing Application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References