CVE-2019-25591
MEDIUM EPSS 7.7%
Published Mar 22, 20263mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Published Mar 22, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago
Description
DNSS Domain Name Search Software 2.1.8 contains a buffer overflow vulnerability in the registration code input field that allows local attackers to crash the application by submitting an excessively long string. Attackers can trigger a denial of service by pasting a malicious registration code containing 300 repeated characters into the Name/Key field via the Register menu option.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
7.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
References 3
- nsauditor.com http://www.nsauditor.com/downloads/dnss_setup.exe
- exploit-db.com https://www.exploit-db.com/exploits/46831
- vulncheck.com https://www.vulncheck.com/advisories/dnss-domain-name-search-software-denial-of-service
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.