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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Fast FAC1203R Gigabit Edition affected
Version Status Constraints
2.0.4 affected —

No data.

No data.

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Project Subscriptions

Vendors Products
Fast Subscribe
Fac1203r Gigabit Edition Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/xiaobor123/vuls-find-VxWorks/tree/main/vul-find-FAST_FAC1203R-copy_msg_element cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-96257 cve-icon cve-icon
https://vuldb.com/submit/901889 cve-icon cve-icon
https://vuldb.com/vuln/408707 cve-icon cve-icon
https://vuldb.com/vuln/408707/cti cve-icon cve-icon
History

Wed, 23 Sep 2026 03:15:00 +0000

Type Values Removed Values Added
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.
Title Fast FAC1203R Gigabit Edition Device Discovery Service copy_msg_element stack-based overflow
First Time appeared Fast
Fast fac1203r Gigabit Edition
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:a:fast:fac1203r_gigabit_edition:*:*:*:*:*:*:*:*
Vendors & Products Fast
Fast fac1203r Gigabit Edition
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 10, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-09-23T03:00:10.174Z

Reserved: 2026-09-22T19:50:34.933Z

Link: CVE-2026-96257

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-23T03:17:06.077

Modified: 2026-09-23T03:17:06.077

Link: CVE-2026-96257

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-23T04:30:18Z

Weaknesses