CVE-2019-25469 — Folder Lock 7

Folder Lock 7.7.9 contains a buffer overflow vulnerability in the serial number registration field that allows local attackers to crash the application by submitting an oversized payload. Attackers can paste a 6000-byte buffer of arbitrary data into the 'Serial Number and Re

01What is this vulnerability?

Folder Lock 7.7.9 contains a buffer overflow vulnerability in the serial number registration field that allows local attackers to crash the application by submitting an oversized payload. Attackers can paste a 6000-byte buffer of arbitrary data into the 'Serial Number and Registration Key' field to trigger a denial of service condition.

02Affected products

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-03-11T18:23:13.193Z
• Last modified: 2026-03-11T19:31:02.931Z

09References

• www.exploit-db.com — https://www.exploit-db.com/exploits/47383
• www.vulncheck.com — https://www.vulncheck.com/advisories/folder-lock-denial-of-service-via-serial-nu…