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.
History

Tue, 07 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Hainsoft
Hainsoft lanhelper
Vendors & Products Hainsoft
Hainsoft lanhelper

Mon, 06 Apr 2026 20:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 05 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title LanHelper 1.74 Denial of Service via Buffer Overflow
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.9, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-06T18:02:53.763Z

Reserved: 2026-04-05T12:46:38.867Z

Link: CVE-2019-25660

cve-icon Vulnrichment

Updated: 2026-04-06T17:59:23.386Z

cve-icon NVD

Status : Received

Published: 2026-04-05T21:16:42.877

Modified: 2026-04-05T21:16:42.877

Link: CVE-2019-25660

cve-icon Redhat

No data.