Is there a public PoC exploit available for CVE-2018-25280?

Yes, a public proof-of-concept exploit is available for CVE-2018-25280. Prioritise patching immediately. EPSS: 0.0%.

Infiltrator Network Security Scanner CVE-2018-25280

Q: What is the CVSS score of CVE-2018-25280?

CVE-2018-25280 has a CVSS 4.0 base score of 6.8 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/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%.

EUVD-2018-21800 MEDIUM

Classic Buffer Overflow (CWE-120)

2026-04-26 VulnCheck

Denial Of Service Buffer Overflow Infiltrator Network Security Scanner

6.8

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/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:P/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

Scope

Lifecycle Timeline

PoC Detected

Apr 27, 2026 - 18:55 vuln.today

Public exploit code

CVSS changed

Apr 26, 2026 - 22:22 NVD

5.5 (MEDIUM) 6.8 (MEDIUM)

EUVD ID Assigned

Apr 26, 2026 - 13:30 euvd

EUVD-2018-21800

CVE Published

Apr 26, 2026 - 13:19 nvd

MEDIUM 6.8

DescriptionCVE.org

Infiltrator Network Security Scanner 4.6 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a 6000-byte payload into the Scan Target field and trigger a denial of service condition when the Scan button is clicked.

AnalysisAI

Infiltrator Network Security Scanner 4.6 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Rated medium severity (CVSS 6.8), 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. Infiltrator Network Security Scanner 4.6 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a 6000-byte payload into the Scan Target field and trigger a denial of service condition when the Scan button is clicked. Affected products include: Infiltration-Systems Infiltrator Network Security Scanner.

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.