Security readout for executives and security teams
CVE-2016-4821 describes a denial-of-service issue in I-O DATA DEVICE ETX-R devices. A remote attacker could crash the device's web server through unspecified vectors, potentially disrupting administration or device availability. Public source details are sparse, so urgency depends on whether ETX-R devices remain deployed and reachable. Exposure is most likely where I-O DATA ETX-R devices are still deployed, especially if their web interface is reachable from untrusted networks. The bundle does not identify affected versions or configurations. Prioritize this when ETX-R devices support business connectivity or are externally reachable. The known impact is service disruption, not data theft, but old network devices with unclear support status can create operational risk. Mitigation focus: Inventory environments for I-O DATA ETX-R devices.; Review I-O DATA and JVN guidance for affected firmware and fixes.; Restrict ETX-R web management access to trusted networks only..
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-2016-4821 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
Products and packages named in the record
CWE details
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