CVE-2017-20225 | TiEmu 2.08 and prior contains a stack-based buffer overflow … | CVSS 9.8 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2017-20225
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-03-28 11:42 UTC
Published: 2026-03-28 11:58 UTC
Last updated: 2026-03-30 15:51 UTC
Primary CWE: CWE-787
Out-of-bounds Write
Vendor / Product: ticalc / TiEmu
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
ticalc	TiEmu	—	2.08

Weakness (CWE)

CWE	Source	Description
CWE-787	cna	Out-of-bounds Write

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References (3)

ExploitDB-42087 https://www.exploit-db.com/exploits/42087
Official Product Homepage http://lpg.ticalc.org/prj_tiemu/
VulnCheck Advisory: TiEmu 2.08 Stack-Based Buffer Overflow Vulnerability https://www.vulncheck.com/advisories/tiemu-stack-based-buffer-overflow-vulnerability