Buffer overflow in Amac Mac Address Change
CVE-2019-25658
a-Mac Address Change 5.4 contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying oversized input to registration form fields. Attackers can paste 212 bytes of data into the 'Your Name', 'Your Company', or 'Register Code' fields and click the Register button to trigger a denial of service crash.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Amac Mac Address Change — versions 5.4
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46292 (exploit)
- amac.paqtool.com/ (product)
- www.vulncheck.com/advisories/a-mac-address-change-local-buffer-overflow-dos (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25658?
- CVE-2019-25658 is a medium-severity vulnerability in Amac Mac Address Change, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-04-05.
- How severe is CVE-2019-25658?
- Medium severity. CVSS v3 base score is 5.5 out of 10.