What is CVE-2018-25264?

CVE-2018-25264 is a medium-severity vulnerability in Acutesystems Transmac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-04-26.

How severe is CVE-2018-25264?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Acutesystems Transmac

CVE-2018-25264

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.

Vulnerability class: Buffer Overflow

Published 2026-04-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (4.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Acutesystems Transmac — versions 12.2

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

ExploitDB-45493 (exploit)
VulnCheck Advisory: TransMac 12.2 Denial of Service via License Key Field (third-party-advisory)

Frequently asked questions

What is CVE-2018-25264?: CVE-2018-25264 is a medium-severity vulnerability in Acutesystems Transmac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-04-26.
How severe is CVE-2018-25264?: Medium severity. CVSS v3 base score is 6.2 out of 10.