CVE-2020-37126

CRITICAL

Free Desktop Clock 3.0 - Buffer Overflow

Title source: llm

Description

Free Desktop Clock 3.0 contains a stack overflow vulnerability in the Time Zones display name input that allows attackers to overwrite Structured Exception Handler (SEH) registers. Attackers can exploit the vulnerability by crafting a malicious Unicode input that triggers an access violation and potentially execute arbitrary code.

Exploits (1)

exploitdb WORKING POC

by boku · pythonlocalwindows_x86

https://www.exploit-db.com/exploits/48314

View Code ZIP pw:eip

References (3)

[Various Sources] http://www.drive-software.com

[Third Party Advisory] https://www.vulncheck.com/advisories/free-desktop-clock-x-venetian-blinds-zipper-unicode-stack-overflow-seh

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/48314

Scores

CVSS v3 9.8

EPSS 0.0003

EPSS Percentile 7.7%

Attack Vector NETWORK

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

Details

CWE

CWE-121

Status published

Products (1)

Drive Software Company/Free Desktop Clock 3.0

Published Feb 05, 2026

Tracked Since Feb 18, 2026