Is CVE-2026-101037 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-101037 being exploited in the wild.

How severe is CVE-2026-101037?

Critical severity, with a CVSS score of 9.9, published 28 September 2026.

Which products and versions are affected?

Fast FAC1200R 5.0_20201119_1.0.2.

Is there a fix for CVE-2026-101037?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-101037 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-101037?

Check whether you run Fast FAC1200R 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.

CVE-2026-101037: FAST FAC1200R stack buffer overflow in devdiscov

CVE-2026-101037 · Severity: critical · CVSS 9.9 · Published 2026-09-28

FAST FAC1200R is a wireless router that allows devices to discover and connect to the network. A stack overflow vulnerability in the device discovery service can be exploited remotely by an unauthenticated attacker to execute arbitrary code and take control of the router. The exploit code has been publicly released.

Vendors: Fast.

Quick answers

Is CVE-2026-101037 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-101037 being exploited in the wild.
How severe is CVE-2026-101037?: Critical severity, with a CVSS score of 9.9, published 28 September 2026.
Which products and versions are affected?: Fast FAC1200R 5.0_20201119_1.0.2.
Is there a fix for CVE-2026-101037?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-101037 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-101037?: Check whether you run Fast FAC1200R 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

A stack-based buffer overflow exists in the parse_advertisement_frame function of the devdiscov (device discovery) service in FAST FAC1200R. The vulnerability is remotely exploitable without authentication and results in arbitrary code execution. The vendor did not respond to early disclosure attempts.

Affected products

FAST FAC1200R 5.0_20201119_1.0.2

Timeline

2026-09-28: disclosed: Exploit code publicly released on GitHub

References

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