CVE-2020-37159

CRITICAL

Parallaxis Cuckoo Clock 5.0 - Buffer Overflow

Title source: llm

Description

Parallaxis Cuckoo Clock 5.0 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting memory registers in the alarm scheduling feature. Attackers can craft a malicious payload exceeding 260 bytes to overwrite EIP and EBP, enabling shellcode execution with potential remote code execution.

Exploits (1)

exploitdb WORKING POC

by boku · pythonlocalwindows

https://www.exploit-db.com/exploits/48087

View Code ZIP pw:eip

References (3)

[Various Sources] https://en.softonic.com/author/pxcompany

[Third Party Advisory] https://www.vulncheck.com/advisories/cuckoo-clock-buffer-overflow

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/48087

Scores

CVSS v3 9.8

EPSS 0.0008

EPSS Percentile 23.3%

Attack Vector NETWORK

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

Classification

CWE

CWE-121

Status draft

Timeline

Published Feb 07, 2026

Tracked Since Feb 18, 2026