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CVE-2026-7503— code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflow

Quick assessment

Affected
code-projects for Plugin
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.

Code-Projects for Plugin是Code-Projects开源的一个插件。 code-projects for Plugin 4.1.2cu.5137版本存在缓冲区错误漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi中库/lib/cste_modules/wireless.so的setWiFiMultipleConfig函数对参数wepkey2的操作，可能导致缓冲区溢出。

CVSS 8.8 · High EPSS 0.79% · P55

Affected Version Matrix 1

VendorProduct Version RangeStatus
code-projects for Plugin 4.1.2cu.5137 affected
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I. Basic Information for CVE-2026-7503

Vulnerability Information
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Vulnerability Title
code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in code-projects for Plugin 4.1.2cu.5137. The impacted element is the function setWiFiMultipleConfig in the library /lib/cste_modules/wireless.so of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument wepkey2 results in buffer overflow. The attack can be launched remotely. The exploit is now 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
Code-Projects for Plugin 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Code-Projects for Plugin是Code-Projects开源的一个插件。 code-projects for Plugin 4.1.2cu.5137版本存在缓冲区错误漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi中库/lib/cste_modules/wireless.so的setWiFiMultipleConfig函数对参数wepkey2的操作，可能导致缓冲区溢出。
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
code-projects for Plugin 4.1.2cu.5137 -

II. Public POCs for CVE-2026-7503

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
claude_code · 4929 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-7503

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Proof of Concept for CVE-2026-7503 (1)

IV. Related Vulnerabilities

Same product: for Plugin
Same vendor: code-projects
Same weakness: CWE-120

V. Comments for CVE-2026-7503

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