Buffer overflow in Ezbsystems Softdisk
CVE-2018-25289
Softdisk 3.0.3 contains a buffer overflow vulnerability in the registration code dialog that allows local attackers to crash the application by supplying an oversized string. Attackers can trigger the vulnerability by entering a 6000-byte payload in the Registration Name field through the Help menu's Enter Registration Code dialog to cause a denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
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: 0.001 (2.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% 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
- Ezbsystems Softdisk — versions 3.0.3
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45245 (exploit)
- www.ezbsystems.com/ (product)
- www.ezbsystems.com/softdisc/download.htm (product)
- www.vulncheck.com/advisories/softdisk-buffer-overflow-denial-of-service (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25289?
- CVE-2018-25289 is a medium-severity vulnerability in Ezbsystems Softdisk, 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-2018-25289?
- Medium severity. CVSS v3 base score is 6.2 out of 10.