Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-6302— TOTOLINK EX1200T cstecgi.cgi setStaticDhcpConfig stack-based overflow

Quick assessment

Affected
TOTOLINK EX1200T
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK EX1200T是中国吉翁电子（TOTOLINK）公司的一款 Wi-Fi 范围扩展器。 TOTOLINK EX1200T 4.1.2cu.5232_B20210713版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi中函数setStaticDhcpConfig存在栈缓冲区溢出，可能导致远程攻击。

CVSS 8.8 · High EPSS 0.84% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-6302

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
TOTOLINK EX1200T cstecgi.cgi setStaticDhcpConfig stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Affected is the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Comment leads to stack-based buffer overflow. It is possible to launch the attack 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
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK EX1200T 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK EX1200T是中国吉翁电子（TOTOLINK）公司的一款 Wi-Fi 范围扩展器。 TOTOLINK EX1200T 4.1.2cu.5232_B20210713版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi中函数setStaticDhcpConfig存在栈缓冲区溢出，可能导致远程攻击。
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 EX1200T 4.1.2cu.5232_B20210713 -

II. Public POCs for CVE-2025-6302

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-6302

请登录查看更多情报信息。

Same Patch Batch · TOTOLINK · 2025-06-20 · 4 CVEs total

CVE-2025-6337 8.8 HIGH TOTOLINK A3002R/A3002RU HTTP POST Request formTmultiAP buffer overflow
CVE-2025-6336 8.8 HIGH TOTOLINK EX1200T HTTP POST Request formTmultiAP buffer overflow
CVE-2025-6299 4.7 MEDIUM TOTOLINK N150RT formWSC os command injection

IV. Related Vulnerabilities

Same product: EX1200T
Same vendor: TOTOLINK
Same weakness: CWE-121

V. Comments for CVE-2025-6302

No comments yet

Leave a comment