CVE-2019-25660 MEDIUM

CVE-2019-25660: LanHelper 1.74 Denial of Service via Buffer Overflow

Vendor Hainsoft
Product LanHelper
Weakness CWE-787
Published April 5, 2026
Last update April 6, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 5, 2026 CVE published
April 6, 2026 Record updated