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Critical 10.0Published Sep 23, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects Fast FAC1203R Gigabit Edition. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
10.0 CRITICAL (v3.1, CNA)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
Weakness (CWE)
CWE-121, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Sep 23, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Fast FAC1203R Gigabit Edition
fast:fac1203r_gigabit_edition
2.0.4
CNA record

References

  • vdb-entry, technical-description
  • signature, permissions-required
  • third-party-advisory
  • third-party-advisory
  • exploit

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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