Is there a public PoC exploit available for CVE-2019-25736?

Yes, a public proof-of-concept exploit is available for CVE-2019-25736. Prioritise patching immediately. EPSS: 0.0%.

Labf Nfsaxe CVE-2019-25736

Q: What is the CVSS score of CVE-2019-25736?

CVE-2019-25736 has a CVSS 4.0 base score of 8.6 (High). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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-2019-20172 HIGH

Classic Buffer Overflow (CWE-120)

2026-06-04 VulnCheck

GHSA-6563-qp5p-jg4x

RCE Buffer Overflow Labf Nfsaxe

8.6

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.6 HIGH

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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:H/VI:H/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

Jun 04, 2026 - 14:22 NVD

8.4 (HIGH) 8.6 (HIGH)

CVE Published

Jun 04, 2026 - 13:22 cve.org

HIGH 8.6

DescriptionCVE.org

LabF nfsAxe 3.7 Ping Client contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious payload in the Host IP field. Attackers can craft a specially formatted input file with shellcode and overwrite the return address to execute calc.exe or other arbitrary commands.

AnalysisAI

LabF nfsAxe 3.7 Ping Client contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious payload in the Host IP field. Rated high severity (CVSS 8.6), 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. LabF nfsAxe 3.7 Ping Client contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious payload in the Host IP field. Attackers can craft a specially formatted input file with shellcode and overwrite the return address to execute calc.exe or other arbitrary commands. Affected products include: Labf Labf Nfsaxe.

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.