Is CVE-2018-25266 actively exploited?

No active exploitation of CVE-2018-25266 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-25266 be exploited remotely?

No. CVE-2018-25266 requires local access to exploit.

What is the CVSS score of CVE-2018-25266?

CVE-2018-25266 has a CVSS score of 5.5 (MEDIUM).

HOME VULNERABILITIESCVE-2018-25266

MEDIUM

CVE-2018-25266

CWE-787Published: April 22, 2026· Updated: Apr 27, 2026

5.5

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.7th

Official Description

Angry IP Scanner 3.5.3 contains a buffer overflow vulnerability in the preferences dialog that allows local attackers to crash the application by supplying an excessively large string. Attackers can generate a file containing a massive buffer of repeated characters and paste it into the unavailable value field in the display preferences to trigger a denial of service.

NVD Source

Technical Analysis

CVE-2018-25266 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.