High severity · published Mar 26, 2026
CVE-2018-25213
Nsauditor 3.0.28.0 Local SEH Buffer Overflow
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
Nsauditor 3.0.28.0 contains a structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input to the DNS Lookup tool. Attackers can craft a payload with SEH chain overwrite and inject shellcode through the DNS Query field to achieve code execution with application privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NL
Nsauditor Local SEH Buffer Overflow · Nsauditor
3.0.28.0 · source: vendor
NS
Nsauditor · Nsasoft
before 3.2.7 · source: NVD
Affected product
NL
Nsauditor Local SEH Buffer Overflow
Nsauditor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-25213
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-25213
Product
http://www.nsauditor.com
Product
http://www.nsauditor.com/downloads/nsauditor_setup.exe
Exploit
https://www.exploit-db.com/exploits/46005
Third Party Advisory
https://www.vulncheck.com/advisories/nsauditor-local-seh-buffer-overflow