CVE•Published 2025-12-11•Modified 2026-10-07•1 article on news•6 live references•NVD data
CVE-2025-66047Libbiosig_project · Libbiosig
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
44
Exploit Prediction Scoring System · top 56% of all CVEs
Weaknesses (CWE)
Description
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 131
Timeline
Published 2025-12-11
Modified 2026-10-07
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-66047Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Libbiosig Project Libbiosig"All exposed Libbiosig Project Libbiosig instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Libbiosig"HTTP body or banner mentions "Libbiosig" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-66047Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-66047Censys host search filtered to this CVE id.
grep.app
CVE-2025-66047Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-66047GitHub code search for direct mentions.
Google dork
"CVE-2025-66047" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-66047 on GitHub.