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CVE-2026-101039

FAST FAC1900R devdiscover Service copy_msg_element stack-based overflow

CVSS 4.0 10.0 CRITICALCVSS 3.1 10.0 CRITICALCVSS 3.0 10.0 CRITICALCVSS 2.0 10.0 Check source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-101039

Published

A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element of the component devdiscover Service. Such manipulation leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-101039

Published

FAC1900R

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "FAST",
                    "product": "FAC1900R",
                    "versions": [
                        {
                            "version": "20190827_2.0.2",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:fast:fac1900r:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "devdiscover Service"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON