CVE-2017-20225

CRITICAL 9.8

TiEmu 2.08 Stack-Based Buffer Overflow Vulnerability

CVSS Score

9.8

EPSS Score

0.1%

EPSS Percentile

21th

TiEmu 2.08 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can trigger the overflow through command-line arguments passed to the application, leveraging ROP gadgets to bypass protections and execute shellcode in the application context.

CWE	CWE-787
Vendor	ticalc
Product	tiemu
Published	Mar 28, 2026
Last Updated	Mar 30, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

ticalc / TiEmu

2.08

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/42087 lpg.ticalc.org: http://lpg.ticalc.org/prj_tiemu/ vulncheck.com: https://www.vulncheck.com/advisories/tiemu-stack-based-buffer-overflow-vulnerability

Credits

Juan Sacco <[email protected]> at KPN Red Team - http://www.kpn.com