Which versions of Megaping are affected by EUVD-2018-21686?

Organizations using MegaPing should be aware of notable risk from CVE-2018-25214, a out-of-bounds write vulnerability rated CVSS 6.9.

Is there a public PoC exploit available for EUVD-2018-21686?

Yes, a public proof-of-concept exploit is available for EUVD-2018-21686. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate EUVD-2018-21686?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Megaping EUVD-2018-21686

Q: What is the CVSS score of EUVD-2018-21686?

EUVD-2018-21686 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-2018-25214 MEDIUM

Out-of-bounds Write (CWE-787)

2026-03-26 VulnCheck

GHSA-x3w6-vw5v-xcc9

Memory Corruption Buffer Overflow Denial Of Service Megaping

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

PoC Detected

Mar 27, 2026 - 18:21 vuln.today

Public exploit code

EUVD ID Assigned

Mar 26, 2026 - 13:45 euvd

EUVD-2018-21686

Analysis Generated

Mar 26, 2026 - 13:45 vuln.today

CVE Published

Mar 26, 2026 - 13:24 nvd

MEDIUM 6.9

DescriptionCVE.org

MegaPing contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload to the Destination Address List field in the Finger function. Attackers can paste a crafted buffer exceeding expected input limits into the vulnerable field and trigger the Start button to cause a denial of service crash.

AnalysisAI

MegaPing contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload to the Destination Address List field in the Finger. 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 Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. MegaPing contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload to the Destination Address List field in the Finger function. Attackers can paste a crafted buffer exceeding expected input limits into the vulnerable field and trigger the Start button to cause a denial of service crash. Affected products include: Magnetosoft Megaping.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).