Is there a public PoC exploit available for EUVD-2018-21792?

Yes, a public proof-of-concept exploit is available for EUVD-2018-21792. Prioritise patching immediately. EPSS: 0.0%.

Transmac EUVD-2018-21792

Q: What is the CVSS score of EUVD-2018-21792?

EUVD-2018-21792 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%.

| CVE-2018-25264 MEDIUM

Classic Buffer Overflow (CWE-120)

2026-04-26 VulnCheck

Denial Of Service Buffer Overflow Transmac

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-2018-21792

CVE Published

Apr 26, 2026 - 13:19 nvd

MEDIUM 6.9

DescriptionCVE.org

TransMac 12.2 contains a buffer overflow vulnerability in the license key input field that allows local attackers to crash the application by submitting an oversized string. Attackers can generate a payload file containing 4000 bytes of data, paste it into the License Key field, and trigger a denial of service condition.

AnalysisAI

TransMac 12.2 contains a buffer overflow vulnerability in the license key input field that allows local attackers to crash the application by submitting an oversized 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. TransMac 12.2 contains a buffer overflow vulnerability in the license key input field that allows local attackers to crash the application by submitting an oversized string. Attackers can generate a payload file containing 4000 bytes of data, paste it into the License Key field, and trigger a denial of service condition. Affected products include: Acutesystems Transmac.

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.