cvedb.io
CVE-2026-6643
CRITICAL · CVSS 9.9
EPSS exploitation probability: 0%
Published 2026-04-20T07:16:16.543 · Last modified 2026-06-17T11:01:08.593

Summary

A stack-based buffer overflow vulnerability was found in the VPN Clients on the ADM. The issue stems from the use of unbounded sscanf() and passing user-controlled data directly to printf(). Due to the lack of PIE and Stack Canary protections, an authenticated remote attacker can exploit these to execute arbitrary code as the web server user. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RR42 as well as from ADM 5.0.0 through ADM 5.1.2.REO1.

Affected products

asustor — data_master

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.