What is CVE-2019-25566?

CVE-2019-25566 is a medium-severity vulnerability in Acutesystems Transmac, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-03-21.

How severe is CVE-2019-25566?

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

Buffer overflow in Acutesystems Transmac

CVE-2019-25566

TransMac 12.3 contains a buffer overflow vulnerability in the volume name field that allows local attackers to crash the application by supplying an excessively long string. Attackers can create a malicious file with 1000 repeated characte…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.6th percentile) — read the EPSS interpretation.

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.

Affected products

Acutesystems Transmac — versions 12.3

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

ExploitDB-46470 (exploit)
Official Product Homepage (product)
Product Reference (product)
VulnCheck Advisory: TransMac 12.3 Denial of Service via Volume Name Field (third-party-advisory)

Frequently asked questions

What is CVE-2019-25566?: CVE-2019-25566 is a medium-severity vulnerability in Acutesystems Transmac, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-03-21.
How severe is CVE-2019-25566?: Medium severity. CVSS v3 base score is 6.2 out of 10.