Security readout for executives and security teams
Certain legacy NBase switches reportedly include a built-in backdoor password that cannot be disabled. A remote attacker who can reach the management interface could change switch configuration, potentially disrupting connectivity or weakening network controls. Exposure is most likely in organizations still operating these legacy NBase switch models, especially where management access is reachable from untrusted networks. Evidence does not identify firmware versions or whether later builds removed the issue. Treat this as a high-priority legacy infrastructure risk if these switches remain deployed. The main business concern is unauthorized network configuration change, not data theft directly. Priority depends on whether affected devices are still in production and reachable. Mitigation focus: Identify any NH2012, NH2012R, NH2015, or NH2048 switches in service.; Check vendor or archival guidance for firmware or replacement recommendations.; Restrict switch management access to trusted administrative 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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Credential and access behavior lookup
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Open ATT&CK lookupCVE-1999-1420 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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