CVE-2019-25689

HIGH

HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH

Title source: cna

Description

HTML5 Video Player 1.2.5 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying an oversized key code string. Attackers can craft a malicious payload exceeding 997 bytes and paste it into the KEY CODE field in the Help Register dialog to trigger code execution and spawn a calculator process.

Exploits (1)

exploitdb WORKING POC

by Dino Covotsos · pythonlocalwindows

https://www.exploit-db.com/exploits/46279

View Code ZIP pw:eip

References (3)

[Exploit] https://www.exploit-db.com/exploits/46279

[Product] http://www.html5videoplayer.net/download.html

[Third Party Advisory] https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh

Scores

CVSS v3 8.4

EPSS 0.0001

EPSS Percentile 3.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (2)

Html5Videoplayer/HTML5 Video Player 1.2.5

socusoft/html5_video_player 1.2.5

Published Apr 12, 2026

Tracked Since Apr 12, 2026