Is there a public PoC exploit available for EUVD-2018-21828?

Yes, a public proof-of-concept exploit is available for EUVD-2018-21828. Prioritise patching immediately. EPSS: 0.0%.

Sysgauge Pro EUVD-2018-21828

Q: What is the CVSS score of EUVD-2018-21828?

EUVD-2018-21828 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%.

| CVE-2018-25307 HIGH

Classic Buffer Overflow (CWE-120)

2026-04-29 VulnCheck

Buffer Overflow RCE Sysgauge Pro

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

PoC Detected

Apr 30, 2026 - 15:44 vuln.today

Public exploit code

CVSS changed

Apr 29, 2026 - 20:22 NVD

8.4 (HIGH) 8.6 (HIGH)

EUVD ID Assigned

Apr 29, 2026 - 20:00 euvd

EUVD-2018-21828

CVE Published

Apr 29, 2026 - 19:24 nvd

HIGH 8.6

DescriptionCVE.org

SysGauge Pro 4.6.12 contains a local buffer overflow vulnerability in the Register function that allows local attackers to overwrite the structured exception handler by supplying a crafted unlock key. Attackers can inject shellcode through the Unlock Key field during registration to execute arbitrary code with application privileges.

AnalysisAI

SysGauge Pro 4.6.12 contains a local buffer overflow vulnerability in the Register function that allows local attackers to overwrite the structured exception handler by supplying a crafted unlock. 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. SysGauge Pro 4.6.12 contains a local buffer overflow vulnerability in the Register function that allows local attackers to overwrite the structured exception handler by supplying a crafted unlock key. Attackers can inject shellcode through the Unlock Key field during registration to execute arbitrary code with application privileges. Affected products include: Sysgauge Sysgauge Pro.

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.