High severity8.8NVD Advisory· Published Apr 30, 2026· Updated May 1, 2026

CVE-2026-7503

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

8.8/ 10

CVSS v47.4

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

Probability of exploitation in the next 30 days.

0.05%

VYPR risk score

Composite of severity, exploitation, and reach.

0.57high

cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE ID

CVE-2026-7503

Credits

X(
xuanyu (VulDB User)
reporter