CVE•Published 2017-03-07•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2016-8863Libupnp_project · Libupnp
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Description
Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a valid URI followed by an invalid one in the CALLBACK header of an SUBSCRIBE request.
Timeline
Published 2017-03-07
Modified 2026-05-13
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-2016-8863Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Libupnp Project Libupnp"All exposed Libupnp Project Libupnp instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Libupnp"HTTP body or banner mentions "Libupnp" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2016-8863Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2016-8863Censys host search filtered to this CVE id.
grep.app
CVE-2016-8863Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2016-8863GitHub code search for direct mentions.
Google dork
"CVE-2016-8863" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2016-8863 on GitHub.