CVE-2026-7503

code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflow

State: Published
Severity: 8.7 High
Published: Apr 30, 2026
Updated: May 4, 2026
Reserved: Apr 30, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P	VulDB
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
3.0	8.8 High	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
2.0	9.0 High	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-120 Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
for Plugincode-projects	4.1.2cu.5137Affected

References

VDB-360313 | code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflowvdb-entrytechnical-description
VDB-360313 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #803120 | TOTOLINK A800R V4.1.2cu.5137_B20200730 Stack-based Buffer Overflowthird-party-advisory
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/02_Buffer_Overflow_setWiFiMultipleConfig.mdexploit
https://code-projects.org/product

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