CVE-2016-8863
9.8 · CRITICALOverview
CVE-2016-8863 is a critical-severity vulnerability affecting libupnp_project libupnp. It was published on March 7, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from libupnp_project. Update libupnp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| libupnp_project | libupnp | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-8863?
CVE-2016-8863 is a critical-severity vulnerability affecting libupnp_project libupnp. It was published on March 7, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2016-8863?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2016-8863?
Check the references section for vendor advisories and patches from libupnp_project. Update libupnp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2016-8863?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-8863 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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