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CVE-2025-3993— TOTOLINK N150RT formWsc buffer overflow

Quick assessment

Affected
TOTOLINK N150RT
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK N150RT是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK N150RT 3.4.0-B20190525版本存在安全漏洞，该漏洞源于文件/boafrm/formWsc中参数submit-url操作导致缓冲区溢出。

CVSS 8.8 · High EPSS 0.97% · P59
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I. Basic Information for CVE-2025-3993

Vulnerability Information
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Vulnerability Title
TOTOLINK N150RT formWsc buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This issue affects some unknown processing of the file /boafrm/formWsc. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK N150RT 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N150RT是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK N150RT 3.4.0-B20190525版本存在安全漏洞，该漏洞源于文件/boafrm/formWsc中参数submit-url操作导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TOTOLINK N150RT 3.4.0-B20190525 -

II. Public POCs for CVE-2025-3993

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7698 chars
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III. Intelligence Information for CVE-2025-3993

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Vendor Advisories for CVE-2025-3993 (2)

Other References for CVE-2025-3993 (1)

Same Patch Batch · TOTOLINK · 2025-04-28 · 5 CVEs total

CVE-2025-3992 8.8 HIGH TOTOLINK N150RT formWlwds buffer overflow
CVE-2025-3996 2.4 LOW TOTOLINK N150RT MAC Filtering Page home.htm cross site scripting
CVE-2025-3995 2.4 LOW TOTOLINK N150RT LAN Settings Page fromStaticDHCP cross site scripting
CVE-2025-3994 2.4 LOW TOTOLINK N150RT IP Port Filtering home.htm cross site scripting

IV. Related Vulnerabilities

Same product: N150RT
Same vendor: TOTOLINK
Same weakness: CWE-120

V. Comments for CVE-2025-3993

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