CVE-2026-96257

Critical

Description

A flaw has been found in Fast FAC1203R Gigabit Edition 2.0.4. Affected by this issue is the function copy_msg_element 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.

SeverityCritical
CVSS10.0
Exploit probability—
ProductFast Fac1203r Gigabit Edition
PublishedSep 23, 2026
First seenSep 23, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
fast fac1203r_gigabit_edition2.0.4—

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