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CVE-2024-1001— Totolink N200RE cstecgi.cgi main stack-based overflow

Quick assessment

Affected
Totolink N200RE
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 N200RE是中国吉翁电子（TOTOLINK）公司的一个路由器。 TOTOLINK N200RE 9.3.5u.6139_B20201216 版本存在安全漏洞，该漏洞源于 /cgi-bin/cstecgi.cgi 的 main 函数存在基于堆栈的缓冲区溢出。

CVSS 7.2 · High EPSS 1.40% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-1001

Vulnerability Information
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Vulnerability Title
Totolink N200RE cstecgi.cgi main stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected is the function main of the file /cgi-bin/cstecgi.cgi. The manipulation 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. VDB-252270 is the identifier assigned to this vulnerability. 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:H/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 N200RE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N200RE是中国吉翁电子（TOTOLINK）公司的一个路由器。 TOTOLINK N200RE 9.3.5u.6139_B20201216 版本存在安全漏洞，该漏洞源于 /cgi-bin/cstecgi.cgi 的 main 函数存在基于堆栈的缓冲区溢出。
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 N200RE 9.3.5u.6139_B20201216 -

II. Public POCs for CVE-2024-1001

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III. Intelligence Information for CVE-2024-1001

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Vendor Advisories for CVE-2024-1001 (2)

Other References for CVE-2024-1001 (1)

Same Patch Batch · Totolink · 2024-01-29 · 8 CVEs total

CVE-2024-1004 7.2 HIGH Totolink N200RE cstecgi.cgi loginAuth stack-based overflow
CVE-2024-1003 7.2 HIGH Totolink N200RE cstecgi.cgi setLanguageCfg stack-based overflow
CVE-2024-1002 7.2 HIGH Totolink N200RE cstecgi.cgi setIpPortFilterRules stack-based overflow
CVE-2024-1000 7.2 HIGH Totolink N200RE cstecgi.cgi setTracerouteCfg stack-based overflow
CVE-2024-0999 7.2 HIGH Totolink N200RE cstecgi.cgi setParentalRules stack-based overflow
CVE-2024-0998 7.2 HIGH Totolink N200RE cstecgi.cgi setDiagnosisCfg stack-based overflow
CVE-2024-0997 7.2 HIGH Totolink N200RE cstecgi.cgi setOpModeCfg stack-based overflow

IV. Related Vulnerabilities

Same product: N200RE
Same vendor: Totolink
Same weakness: CWE-121

V. Comments for CVE-2024-1001

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