Is there a public PoC exploit available for CVE-2018-25288?

Yes, a public proof-of-concept exploit is available for CVE-2018-25288. Prioritise patching immediately. EPSS: 0.0%.

Stylewriter CVE-2018-25288

Q: What is the CVSS score of CVE-2018-25288?

CVE-2018-25288 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%.

EUVD-2018-21808 MEDIUM

Classic Buffer Overflow (CWE-120)

2026-04-26 VulnCheck

Denial Of Service Buffer Overflow Stylewriter

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

Apr 27, 2026 - 18:55 vuln.today

Public exploit code

CVSS changed

Apr 26, 2026 - 22:22 NVD

6.2 (MEDIUM) 6.9 (MEDIUM)

EUVD ID Assigned

Apr 26, 2026 - 13:30 euvd

EUVD-2018-21808

CVE Published

Apr 26, 2026 - 13:19 nvd

MEDIUM 6.9

DescriptionCVE.org

StyleWriter 1.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string. Attackers can paste a 6000-byte payload into the Pattern to Find or Advice Message fields in the Add Pattern dialog to trigger a denial of service condition.

AnalysisAI

StyleWriter 1.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string. 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 Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. StyleWriter 1.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string. Attackers can paste a 6000-byte payload into the Pattern to Find or Advice Message fields in the Add Pattern dialog to trigger a denial of service condition. Affected products include: Editorsoftware Stylewriter.

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.