CVE-2019-25689
CVE-2019-25689 is a high-severity vulnerability in Socusoft Html5 Video Player with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-20124
- Weakness: CWE-787
- Affected product: Socusoft Html5 Video Player
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-25689?
- 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.
- How severe is CVE-2019-25689?
- CVE-2019-25689 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-25689 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-25689?
- CVE-2019-25689 affects Socusoft Html5 Video Player. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-25689?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2019-25689 have an EU (EUVD) identifier?
- Yes. CVE-2019-25689 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-20124.
- When was CVE-2019-25689 published?
- CVE-2019-25689 was published on 2026-04-12 and last updated on 2026-06-17.
References
- http://www.html5videoplayer.net/download.html
- https://www.exploit-db.com/exploits/46279
- https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh
Affected products (1)
- cpe:2.3:a:socusoft:html5_video_player:1.2.5:*:*:*:*:*:*:*
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