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CRITICAL

CVE-2026-96257

CVSS v3

10

CRITICAL

EPSS Score

1.0 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

CVSS v3 Vector
3.1
Published
2026-09-23
Last Modified
2026-09-23

Frequently asked questions

What is CVE-2026-96257?

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.

Is CVE-2026-96257 actively exploited?

Active exploitation of CVE-2026-96257 has not been confirmed. The EPSS score is 1.0%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-96257?

CVE-2026-96257 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string 3.1.

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