Security readout for executives and security teams
CVE-1999-1421 describes legacy NBase NH208 and NH215 switches accepting software updates through an exposed TFTP server. An attacker who can reach that service may alter switch software or crash the device. The sources do not provide CVSS, a named patch, or evidence of active exploitation. Exposure is most likely where legacy NH208 or NH215 switches remain deployed and their TFTP service is reachable from user, server, wireless, or internet-routable networks. Organizations without historical network asset records may miss these devices because the CVE is old and product naming is sparse. Treat exposed devices as urgent remediation candidates because a reachable switch could be modified or crashed, affecting network availability. Priority is lower if no affected models exist or TFTP is isolated to a tightly controlled management network. Mitigation focus: Identify any NH208 or NH215 switches still in production, labs, or storage networks.; Restrict TFTP reachability to trusted management hosts only, where the device must remain deployed.; Disable TFTP-based update access if vendor configuration supports it..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-1999-1421 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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