CVE-1999-1421: NBase switches NH208 and NH215 run a TFTP server which allows remote attackers to send software updates to modify the sw

Published n/a Updated 2026-08-21T04:30:40.712Z

Summary

NBase switches NH208 and NH215 run a TFTP server which allows remote attackers to send software updates to modify the switch or cause a denial of service (crash) by guessing the target filenames, which have default names.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:40.712Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

References