Buffer Overflow Vulnerability in Nsauditor by Netspark
CVE-2018-25213

8.6HIGH

Key Information:

Vendor

Nsauditor

Status
Nsauditor Local Seh Buffer Overflow
Vendor
CVE Published:
26 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-25213?

Nsauditor 3.0.28.0 is affected by a buffer overflow vulnerability due to inadequate handling of input in the DNS Lookup tool. This allows local attackers to execute arbitrary code by crafting a malicious payload that overwrites the structured exception handling (SEH) chain. By injecting shellcode into the DNS Query field, unauthorized users can gain elevated privileges and run commands or scripts on the system, posing significant security risks.

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Affected Version(s)

Nsauditor Local SEH Buffer Overflow 3.0.28.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-25213 - Proof of Concept

References

https://www.exploit-db.com/exploits/46005
exploit
http://www.nsauditor.com
product
http://www.nsauditor.com/downloads/nsauditor_setup.exe
product

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Achilles
JSON
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