CVE-2026-96257: Fast FAC1203R Gigabit Edition Device Discovery Service copy_msg_element stack-based overflow

Published Sep 23, 2026
·
Updated

A flaw has been found in Fast FAC1203R Gigabit Edition 2.0.4. Affected by this issue is the function copymsgelement of the component Device Discovery Service. Executing a manipulation can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

1 affected component
Fast FAC1203R Gigabit Edition=2.0.4

Event History

Sep 23, 2026
CVE Published
via MITRE·03:00 AM
Data Sourced
via MITRE·03:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:17 AM
DescriptionSeverityWeakness
Mar 16, 58697
Event
via NVD·06:26 AM

Frequently Asked Questions

1

Does exploitation require authentication or user interaction?

No. The supplied vector indicates that the attack can be performed over the network with no privileges and no user interaction, and that attack complexity is low.

2

What is the expected security impact if exploitation succeeds?

The supplied severity vector rates confidentiality, integrity, and availability impacts as high. It also indicates a changed scope.

3

Is exploit code available?

Yes. The vulnerability information states that an exploit has been published and may be used.

Contact

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