CVE-2020-37159

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/7/2026

Last Modified2/9/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-121

References

https://en.softonic.com/author/pxcompany(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48087(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/cuckoo-clock-buffer-overflow(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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