Is there a public PoC exploit available for EUVD-2018-21890?

Yes, a public proof-of-concept exploit is available for EUVD-2018-21890. Prioritise patching immediately. EPSS: 0.0%.

Visual Ping EUVD-2018-21890

Q: What is the CVSS score of EUVD-2018-21890?

EUVD-2018-21890 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: 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. EPSS exploitation probability: 0.0%.

| CVE-2018-25369 MEDIUM

Classic Buffer Overflow (CWE-120)

2026-05-25 VulnCheck

GHSA-392x-mh69-rr3h

Denial Of Service Buffer Overflow Visual Ping

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

CVSS changed

May 26, 2026 - 19:52 NVD

6.2 (MEDIUM) 6.9 (MEDIUM)

CVE Published

May 25, 2026 - 14:15 cve.org

MEDIUM 6.9

DescriptionCVE.org

Visual Ping 0.8.0.0 contains a buffer overflow vulnerability in input field handling that allows local attackers to crash the application by supplying oversized data. Attackers can inject malicious payloads exceeding 4108 bytes into the Host, Time Out, Packet Size, Pause, or Loops fields to trigger a denial of service condition.

AnalysisAI

Visual Ping 0.8.0.0 contains a buffer overflow vulnerability in input field handling that allows local attackers to crash the application by supplying oversized data. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Visual Ping 0.8.0.0 contains a buffer overflow vulnerability in input field handling that allows local attackers to crash the application by supplying oversized data. Attackers can inject malicious payloads exceeding 4108 bytes into the Host, Time Out, Packet Size, Pause, or Loops fields to trigger a denial of service condition. Affected products include: Scanwith Visual Ping.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.