Is there a public PoC exploit available for EUVD-2018-21803?

Yes, a public proof-of-concept exploit is available for EUVD-2018-21803. Prioritise patching immediately. EPSS: 0.0%.

Ismartviewpro EUVD-2018-21803

Q: What is the CVSS score of EUVD-2018-21803?

EUVD-2018-21803 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-2018-25283 HIGH

Classic Buffer Overflow (CWE-120)

2026-04-26 VulnCheck

RCE Buffer Overflow Ismartviewpro

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 27, 2026 - 18:55 vuln.today

Public exploit code

CVSS changed

Apr 26, 2026 - 22:22 NVD

8.4 (HIGH) 8.6 (HIGH)

EUVD ID Assigned

Apr 26, 2026 - 13:30 euvd

EUVD-2018-21803

CVE Published

Apr 26, 2026 - 13:19 nvd

HIGH 8.6

DescriptionCVE.org

iSmartViewPro 1.5 contains a structured exception handling (SEH) buffer overflow vulnerability in the 'Save Path for Snapshot and Record file' field that allows local attackers to execute arbitrary code. Attackers can input a crafted payload exceeding 260 bytes through the System Setup interface to overwrite SEH records and execute shellcode with application privileges.

AnalysisAI

iSmartViewPro 1.5 contains a structured exception handling (SEH) buffer overflow vulnerability in the 'Save Path for Snapshot and Record file' field that allows local attackers to execute arbitrary. 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. iSmartViewPro 1.5 contains a structured exception handling (SEH) buffer overflow vulnerability in the 'Save Path for Snapshot and Record file' field that allows local attackers to execute arbitrary code. Attackers can input a crafted payload exceeding 260 bytes through the System Setup interface to overwrite SEH records and execute shellcode with application privileges. Affected products include: Securimport Ismartviewpro.

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.