Security readout for executives and security teams
CVE-2016-6255 affects Portable UPnP SDK, also known as libupnp, before 1.6.21. A remote attacker could write files into the webroot using a POST request when no handler was registered. Business risk depends on where libupnp is embedded and whether the exposed webroot can influence device or service behavior. Exposure is most likely in networked software, appliances, or embedded devices bundling libupnp before 1.6.21. The source bundle does not enumerate downstream products, so asset discovery must include embedded dependencies and vendor firmware notices. Treat this as a high-priority legacy dependency issue for internet-facing or untrusted-network UPnP services. The main uncertainty is asset scope, not whether the bug is meaningful. Mitigation focus: Upgrade libupnp or pupnp components to 1.6.21 or a vendor-fixed build.; Apply relevant Debian or Gentoo security updates where those distributions are used.; Ask device and application vendors whether their firmware embeds vulnerable libupnp versions..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-6255 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://twitter.com/mjg59/status/755062278513319936CVE reference · x_refsource_MISC
- https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbdCVE reference · x_refsource_MISC
- https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLogCVE reference · x_refsource_CONFIRM
- GLSA-201701-52CVE reference · vendor-advisory, x_refsource_GENTOO
- 40589CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://www.tenable.com/security/research/tra-2017-10CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
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