Critical severity · published Jan 30, 2026
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
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-25232
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-25232
sourceforge.net
https://sourceforge.net/projects/netpclinker/
www.exploit-db.com
https://www.exploit-db.com/exploits/48680
www.vulncheck.com
https://www.vulncheck.com/advisories/netpclinker-buffer-overflow