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CVE-2025-3989— TOTOLINK N150RT formStaticDHCP 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/formStaticDHCP中参数Hostname导致缓冲区溢出。

CVSS 8.8 · High EPSS 0.97% · P59

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-3989

Vulnerability Information
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Vulnerability Title
TOTOLINK N150RT formStaticDHCP buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched 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/formStaticDHCP中参数Hostname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-2025-3989

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7011 chars
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In-depth vulnerability mechanism
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POC zip download
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III. Intelligence Information for CVE-2025-3989

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Vendor Advisories for CVE-2025-3989 (2)

Proof of Concept for CVE-2025-3989 (1)

Same Patch Batch · TOTOLINK · 2025-04-27 · 5 CVEs total

CVE-2025-3991 8.8 HIGH TOTOLINK N150RT formWdsEncrypt buffer overflow
CVE-2025-3990 8.8 HIGH TOTOLINK N150RT formVlan buffer overflow
CVE-2025-3988 8.8 HIGH TOTOLINK N150RT formPortFw buffer overflow
CVE-2025-3987 6.3 MEDIUM TOTOLINK N150RT formWsc command injection

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-3989

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