High severity · published Apr 30, 2026
CVE-2026-7503
code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflow
8.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FP
for Plugin · code-projects
4.1.2cu.5137 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7503
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7503
code-projects.org
https://code-projects.org/
github.com
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/02_Buffer_Overflow_setWiFiMultipleConfig.md
vuldb.com
https://vuldb.com/submit/803120
vuldb.com
https://vuldb.com/vuln/360313
vuldb.com
https://vuldb.com/vuln/360313/cti
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