Backup Key Recovery 2.2.5 contains a denial of service vulnerability that allows attackers to crash the application by supplying an overly long registration key. Attackers can generate a 1000-character payload file and paste it into the registration key field to trigger an application crash.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsNone
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityLow
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | cve.org | initial, patch: Unavailable | 1.0 |
Affected Software
| Vendor | Product | Version |
|---|
| Nsasoft | Nsauditor Backup Key Recovery Recover Keys Crashed Hard Disk Drive | 2.2.5 |
Published: 2026-02-11