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Medium 5.5Published Jan 16, 2026

CVE-2021-47814NBMonitor 1.6.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the registration code input field.

Updated under an hour ago ()

Does this affect you?

It affects nsasoft nbmonitor. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

NBMonitor 1.6.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the registration code input field. Attackers can paste a 256-character buffer into the registration key field to trigger an application crash and potential system instability.

CVSS
5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-120
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 29, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
nsasoft nbmonitor
nsasoft:nbmonitor
1.6.8
NVD

References

  • product
  • exploit, third-party-advisory
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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