CVE-2020-37159Cuckoo Clock 5.0 - Buffer Overflow
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Feb 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Parallaxis Cuckoo Clock parallaxis:cuckoo_clock (from the name) | 5.0 | CNA record |
References
- https://www.exploit-db.com/exploits/48087exploit
- https://en.softonic.com/author/pxcompanyproduct
- https://www.vulncheck.com/advisories/cuckoo-clock-buffer-overflowthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.