Html5Videoplayer HTML5 Video Player 1.2.5 KEY CODE out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Html5Videoplayer HTML5 Video Player 1.2.5. It has been declared as critical. This issue affects some unknown processing. Such manipulation of the argument KEY CODE leads to out-of-bounds write. This vulnerability is referenced as CVE-2019-25689. The attack can only be performed from a local environment. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Html5Videoplayer HTML5 Video Player 1.2.5. It has been rated as critical. Affected by this issue is some unknown processing. The manipulation of the argument KEY CODE with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published by Dino Covotsos as 46279. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2019-25689 since 04/05/2026. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46279). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/05/2026 CVE reserved
04/12/2026 +7 days Advisory disclosed
04/12/2026 +0 days VulDB entry created
04/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 46279
Researcher: Dino Covotsos
Status: Not defined

CVE: CVE-2019-25689 (🔒)
GCVE (CVE): GCVE-0-2019-25689
GCVE (VulDB): GCVE-100-357020
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/12/2026 17:06
Changes: 04/12/2026 17:06 (81)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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