What is CVE-2019-25232?

CVE-2019-25232 is a critical-severity vulnerability in Netpclinker, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-01-30.

How severe is CVE-2019-25232?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Netpclinker

CVE-2019-25232

NetPCLinker 1.0.0.0 contains a buffer overflow vulnerability in the Clients Control Panel DNS/IP field that allows attackers to execute arbitrary shellcode. Attackers can craft a malicious payload in the DNS/IP input to overwrite SEH handlers and execute shellcode when adding a new client.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netpclinker — versions 1.0.0.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2019-25232?: CVE-2019-25232 is a critical-severity vulnerability in Netpclinker, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-01-30.
How severe is CVE-2019-25232?: Critical severity. CVSS v3 base score is 9.8 out of 10.