CVE-2020-37194

HIGH

Nsasoft Backup Key Recovery 2.2.5 - Denial of Service via Long Registration Key Input

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37194. PoCs published by Ismail Tasdelen.

AI-analyzed exploit summary This PoC exploits a denial-of-service vulnerability in Backup Key Recovery 2.2.5 by overwriting the 'Key' field with a large buffer of 'A' characters, causing the application to crash. The script generates a payload file (poc.txt) that triggers the crash when pasted into the registration field.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Ismail Tasdelen · pythondoswindows
https://www.exploit-db.com/exploits/47864

This PoC exploits a denial-of-service vulnerability in Backup Key Recovery 2.2.5 by overwriting the 'Key' field with a large buffer of 'A' characters, causing the application to crash. The script generates a payload file (poc.txt) that triggers the crash when pasted into the registration field.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Backup Key Recovery 2.2.5
No auth needed
Prerequisites: Backup Key Recovery 2.2.5 installed · Access to the registration interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/47864
Various Sources product
http://www.nsauditor.com/

Scores

CVSS v3 7.5
EPSS 0.0032
EPSS Percentile 23.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-120
Status published
Products (1)
Nsasoft/Nsauditor Backup Key Recovery Recover Keys Crashed Hard Disk Drive 2.2.5
Published Feb 11, 2026
Tracked Since Feb 18, 2026