Vulnerability · Published Dec 15, 2025 · Assigned by VulDB

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

Critical 9.8

In plain English

A critical-severity buffer overflow in sgwbox N3 from Shiguangwu. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 5.9% (higher than 93% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)5.9%top 6.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Shiguangwu	sgwbox N3	2.0.25

Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-336426 | Shiguangwu sgwbox N3 WIRELESSCFGGET http_eshell_server buffer overflow vdb-entry, technical-description
VDB-336426 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #706989 | sgwbox N3 NAS V2.0.25 Buffer Overflow third-party-advisory
https://www.notion.so/sgwbox-NAS-N3-Buffer-Overflow-2be6cf4e528a80258b82dee0d6d1ebd1?source=copy_link exploit