PT-2026-26991 · Tuneclone · Tuneclone

Achilles · Published 2026-03-22 · Updated 2026-03-22 · CVE-2019-25603

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TuneClone version 2.20

Description A structured exception handler (SEH) buffer overflow exists, allowing local attackers to execute arbitrary code by providing a malicious license code string. Attackers can craft a payload containing a controlled buffer, an NSEH jump instruction, and an 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-25603

Affected Products

Tuneclone

References · 5

• 🔥 https://exploit-db.com/exploits/47012 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-25603 · Security Note
• http://tuneclone.com · Note
• https://vulncheck.com/advisories/tuneclone-structured-exception-handler-buffer-overflow · Note
• http://tuneclone.com/tuneclone_setup.exe · Note