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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.

PUBLISHED Reserved 2026-02-03 | Published 2026-02-06 | Updated 2026-02-17 | Assigner VulnCheck




HIGH: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Stack-based Buffer Overflow

Product status

5.0
affected

Credits

boku finder

References

www.exploit-db.com/exploits/48087 (ExploitDB-48087) exploit

en.softonic.com/author/pxcompany (Vendor Homepage) product

www.vulncheck.com/advisories/cuckoo-clock-buffer-overflow (VulnCheck Advisory: Cuckoo Clock 5.0 - Buffer Overflow) third-party-advisory

cve.org (CVE-2020-37159)

nvd.nist.gov (CVE-2020-37159)

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