CVE-2019-25658
CVE-2019-25658 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. 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 5.5)
- CVSS v4: 6.8
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-20052
- Weakness: CWE-787
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2019-25658?
- CVE-2019-25658 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-25658 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2019-25658?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2019-25658 have an EU (EUVD) identifier?
- Yes. CVE-2019-25658 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-20052.
- When was CVE-2019-25658 published?
- CVE-2019-25658 was published on 2026-04-05 and last updated on 2026-06-17.
References
- http://amac.paqtool.com/
- https://www.exploit-db.com/exploits/46292
- https://www.vulncheck.com/advisories/a-mac-address-change-local-buffer-overflow-dos
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