CVE-2019-25603

HIGH 8.4

TuneClone 2.20 Structured Exception Handler Buffer Overflow

CVSS Score

8.4

EPSS Score

0.0%

EPSS Percentile

2th

TuneClone 2.20 contains a structured exception handler (SEH) buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license code string. Attackers can craft a payload with a controlled buffer, NSEH jump instruction, and SEH handler address pointing to a ROP gadget, then paste it into the license code field to trigger code execution and establish a bind shell.

CWE	CWE-787
Vendor	tuneclone
Product	tuneclone
Published	Mar 22, 2026
Last Updated	Mar 25, 2026

Stay Ahead of the Next One

Get instant alerts for tuneclone tuneclone

Be the first to know when new high vulnerabilities affecting tuneclone tuneclone are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

TuneClone / TuneClone

2.20

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/47012 tuneclone.com: http://www.tuneclone.com/ tuneclone.com: http://www.tuneclone.com/tuneclone_setup.exe vulncheck.com: https://www.vulncheck.com/advisories/tuneclone-structured-exception-handler-buffer-overflow

Credits

Achilles