CVE-2019-25689 | Html5Videoplayer HTML5 Video Player 1.2.5 KEY CODE out-of-bounds write (Exploit 46279 / EDB-46279)

VDB-357020 · CVE-2019-25689 · EXPLOIT 46279 HTML5VIDEOPLAYER HTML5 VIDEO PLAYER 1.2.5 KEY CODE OUT-OF-BOUNDS WRITE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.6 $0-$5k 1.89+ 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). Productinfo Type Multimedia Player Software Vendor Html5Videoplayer Name HTML5 Video Player Version 1.2.5 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 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock 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: 99:EE3:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸