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CVE-2019-25689

HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH

Published: Apr 12, 2026Updated: Apr 12, 2026 Sources: CVE List NVD
NVD MITRE
8.4CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-787

Affected Products

HTML5 Video Player
Html5Videoplayer

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.exploit-db.com/exploits/46279
exploit-db.com
http://www.html5videoplayer.net/download.html
html5videoplayer.net
https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh
vulncheck.com

Timeline

Published
Apr 12, 2026
Last Updated
Apr 12, 2026

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