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CVE-2024-7462— TOTOLINK N350RT cstecgi.cgi setWizardCfg buffer overflow

Quick assessment

Affected
TOTOLINK N350RT
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 N350RT是中国吉翁电子（TOTOLINK）公司的一款小型家用路由器。 TOTOLINK N350RT 9.3.5u.6139_B20201216版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi的setWizardCfg函数，对参数ssid的操纵会导致缓冲区溢出。

CVSS 8.8 · High EPSS 1.35% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-7462

Vulnerability Information
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Vulnerability Title
TOTOLINK N350RT cstecgi.cgi setWizardCfg buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical has been found in TOTOLINK N350RT 9.3.5u.6139_B20201216. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-273555. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 N350RT 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N350RT是中国吉翁电子（TOTOLINK）公司的一款小型家用路由器。 TOTOLINK N350RT 9.3.5u.6139_B20201216版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi的setWizardCfg函数，对参数ssid的操纵会导致缓冲区溢出。
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 N350RT 9.3.5u.6139_B20201216 -

II. Public POCs for CVE-2024-7462

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7632 chars
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III. Intelligence Information for CVE-2024-7462

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Vendor Advisories for CVE-2024-7462 (3)

Other References for CVE-2024-7462 (1)

Same Patch Batch · TOTOLINK · 2024-08-05 · 4 CVEs total

CVE-2024-7465 8.8 HIGH TOTOLINK CP450 cstecgi.cgi loginauth buffer overflow
CVE-2024-7463 8.8 HIGH TOTOLINK CP900 cstecgi.cgi UploadCustomModule buffer overflow
CVE-2024-7464 6.3 MEDIUM TOTOLINK CP900 Telnet Service setTelnetCfg command injection

IV. Related Vulnerabilities

Same product: N350RT
Same vendor: TOTOLINK
Same weakness: CWE-120

V. Comments for CVE-2024-7462

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