CVE-2026-14167: ads-tec Industrial IT IRF Products incorrect authorization in Web UI

CVE-2026-14167 · Severity: high · CVSS 8.8 · Published 2026-07-28

ADS-TEC Industrial IT firewalls and routers are affected by a security flaw that allows a user with low-level access to perform administrative tasks. An attacker could change critical device settings or modify user permissions, potentially leading to a full takeover of the network hardware. This could result in unauthorized network access, data interception, or service disruptions.

Technologies: ads-tec Industrial IT DVG-IRF1401, ads-tec Industrial IT DVG-IRF1421, ads-tec Industrial IT DVG-IRF3401, ads-tec Industrial IT DVG-IRF3421, ads-tec Industrial IT DVG-IRF3801, ads-tec Industrial IT DVG-IRF3821. Vendors: ads-tec Industrial IT.

Quick answers

Is CVE-2026-14167 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-14167 being exploited in the wild.
How severe is CVE-2026-14167?
High severity, with a CVSS score of 8.8, published 28 July 2026.
Which products and versions are affected?
ads-tec Industrial IT DVG-IRF1401 1.0.0 to 2.2.9; ads-tec Industrial IT DVG-IRF1421 1.0.0 to 2.2.9; ads-tec Industrial IT DVG-IRF3401 1.0.0 to 2.2.9; ads-tec Industrial IT DVG-IRF3421 1.0.0 to 2.2.9; and 2 more.
Is there a fix for CVE-2026-14167?
A patch was published on 2026-07-28: Fixed in firmware version 2.3.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-14167 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2026-14167?
Check whether you run ads-tec Industrial IT DVG-IRF1401, ads-tec Industrial IT DVG-IRF1421, ads-tec Industrial IT DVG-IRF3401 or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An incorrect authorization vulnerability (CWE-863) exists in the proprietary configuration interface and web UI of ADS-TEC IRF1000 and IRF3000 series products. A remote attacker with low-privileged credentials can bypass intended access controls to perform administrative configuration changes, including the management of user permissions. This flaw allows for vertical privilege escalation from a standard user to an administrator. The vulnerability is addressed in firmware version 2.3.0.

Affected products

  • ads-tec Industrial IT DVG-IRF1401 (IRF1000) 1.0.0 to 2.2.9
  • ads-tec Industrial IT DVG-IRF1421 (IRF1000) 1.0.0 to 2.2.9
  • ads-tec Industrial IT DVG-IRF3401 (IRF3000) 1.0.0 to 2.2.9
  • ads-tec Industrial IT DVG-IRF3421 (IRF3000) 1.0.0 to 2.2.9
  • ads-tec Industrial IT DVG-IRF3801 (IRF3000) 1.0.0 to 2.2.9
  • ads-tec Industrial IT DVG-IRF3821 (IRF3000) 1.0.0 to 2.2.9

Timeline

  • 2026-07-28: advisory
  • 2026-07-28: patched: Fixed in firmware version 2.3.0

References

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