CVE-2019-25689
HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH
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.
INFO
Published Date :
April 12, 2026, 1:16 p.m.
Last Modified :
April 17, 2026, 4:19 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2019-25689
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update the HTML5 Video Player to the latest version.
- Apply vendor patches for version 1.2.5.
- Validate input length for key code strings.
- Sanitize user-supplied data before processing.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-25689.
| URL | Resource |
|---|---|
| http://www.html5videoplayer.net/download.html | Product |
| https://www.exploit-db.com/exploits/46279 | Exploit VDB Entry |
| https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-25689 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-25689
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-25689 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-25689 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:socusoft:html5_video_player:1.2.5:*:*:*:*:*:*:* Added Reference Type VulnCheck: http://www.html5videoplayer.net/download.html Types: Product Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/46279 Types: Exploit, VDB Entry Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh Types: Third Party Advisory -
New CVE Received by [email protected]
Apr. 12, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-787 Added Reference http://www.html5videoplayer.net/download.html Added Reference https://www.exploit-db.com/exploits/46279 Added Reference https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh