Is CVE-2026-7503 actively exploited?

No active exploitation of CVE-2026-7503 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7503 be exploited remotely?

Yes. CVE-2026-7503 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7503?

CVE-2026-7503 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-7503

CWE-119Published: April 30, 2026· Updated: May 1, 2026

8.8

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.0th

Official 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.

NVD Source

Technical Analysis

CVE-2026-7503 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.