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CVE-2023-7095— Totolink A7100RU HTTP POST Request main buffer overflow

Quick assessment

Affected
Totolink A7100RU
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 A7100RU是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A7100RU V7.4cu.2313_B20191024版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi?action=login的参数flag会导致缓冲区溢出。

CVSS 9.8 · Critical EPSS 13.70% · P96

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-7095

Vulnerability Information
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Vulnerability Title
Totolink A7100RU HTTP POST Request main buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_B20191024. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument flag leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-248942 is the identifier assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 A7100RU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A7100RU是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A7100RU V7.4cu.2313_B20191024版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi?action=login的参数flag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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Totolink A7100RU 7.4cu.2313_B20191024 -

II. Public POCs for CVE-2023-7095

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 8675 chars
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III. Intelligence Information for CVE-2023-7095

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Vendor Advisories for CVE-2023-7095 (2)

Other References for CVE-2023-7095 (1)

IV. Related Vulnerabilities

Same product: A7100RU
Same vendor: Totolink
Same weakness: CWE-120

V. Comments for CVE-2023-7095

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