Is there a public PoC exploit available for CVE-2018-25278?

Yes, a public proof-of-concept exploit is available for CVE-2018-25278. Prioritise patching immediately. EPSS: 0.0%.

Picajet Fx CVE-2018-25278

Q: What is the CVSS score of CVE-2018-25278?

CVE-2018-25278 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-2018-21798 MEDIUM

Classic Buffer Overflow (CWE-120)

2026-04-26 VulnCheck

Denial Of Service Buffer Overflow Picajet Fx

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-2018-21798

CVE Published

Apr 26, 2026 - 13:19 nvd

MEDIUM 6.9

DescriptionCVE.org

PicaJet FX 2.6.5 contains a denial of service vulnerability that allows local attackers to crash the application by submitting oversized input to registration fields. Attackers can paste a 6000-byte buffer into the Registration Name and Registration Key fields via the Help menu's Register PicaJet dialog to trigger an application crash.

AnalysisAI

PicaJet FX 2.6.5 contains a denial of service vulnerability that allows local attackers to crash the application by submitting oversized input to registration fields. 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. PicaJet FX 2.6.5 contains a denial of service vulnerability that allows local attackers to crash the application by submitting oversized input to registration fields. Attackers can paste a 6000-byte buffer into the Registration Name and Registration Key fields via the Help menu's Register PicaJet dialog to trigger an application crash. Affected products include: Picajet Picajet Fx.

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.