CVE-2019-25566
CVE-2019-25566 is a medium-severity vulnerability in Acutesystems Transmac with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-19880
- Weakness: CWE-787
- Affected product: Acutesystems Transmac
- Published:
- Last modified:
Description
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 characters, paste the content into the volume name field during disk image creation, and trigger an application crash.
Frequently asked questions
- What is 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 characters, paste the content into the volume name field during disk image creation, and trigger an application crash.
- How severe is CVE-2019-25566?
- CVE-2019-25566 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-25566 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-25566?
- CVE-2019-25566 affects Acutesystems Transmac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-25566?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2019-25566 have an EU (EUVD) identifier?
- Yes. CVE-2019-25566 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19880.
- When was CVE-2019-25566 published?
- CVE-2019-25566 was published on 2026-03-21 and last updated on 2026-06-17.
References
- https://www.acutesystems.com/
- https://www.acutesystems.com/tmac/tmsetup.exe
- https://www.exploit-db.com/exploits/46470
- https://www.vulncheck.com/advisories/transmac-denial-of-service-via-volume-name-field
Affected products (1)
- cpe:2.3:a:acutesystems:transmac:12.3:*:*:*:*:*:*:*
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