CVE-2019-25660

MEDIUM 5.5CVE-2019-25660 · Published 05/04/2026 · updated 24/07/2026

In short

CVE-2019-25660 is a MEDIUM (CVSS 5.5) vulnerability affecting lanhelper (hainsoft).
Chance of exploitation in the next 30 days (EPSS): 0.24%, higher than 14.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
lanhelper hainsoft	`≤ 1.74`	No fix yet

Description

LanHelper 1.74 contains a local buffer overflow vulnerability that allows attackers to crash the application by sending excessively long input strings. Attackers can exploit the Form Send Message feature by pasting 6000 bytes of data into the Message text field to trigger a denial of service condition.

References

hainsoft.com · Broken Link
exploit-db.com/exploits/46295 · Exploit
vulncheck.com/advisories/lanhelper-denial-of-service-via-buffer-overflow · Third Party Advisory

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