CVE-2026-22319

A stack-based buffer overflow in the device's file installation workflow allows a high-privileged attacker to send oversized POST parameters that overflow a fixed-size stack buffer within an internal process, resulting in a DoS attack.

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://certvde.com/de/advisories/VDE-2025-104

Configurations

No configuration.

History

17 Jun 2026, 10:19

Type	Values Removed	Values Added
Summary		(es) Un desbordamiento de búfer basado en pila en el flujo de trabajo de instalación de archivos del dispositivo permite a un atacante con altos privilegios enviar parámetros POST de tamaño excesivo que desbordan un búfer de pila de tamaño fijo dentro de un proceso interno, lo que resulta en un ataque de DoS.

18 Mar 2026, 08:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-18 08:16

Updated : 2026-06-17 10:19

NVD link : CVE-2026-22319

Mitre link : CVE-2026-22319

CVE.ORG link : CVE-2026-22319

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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"defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 2316/K1", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 2506-2SFP/K1", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 2508/K1", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH TSN 2316", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH TSN 2312-2GC-2SFP", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH TSN 2314-2SFP", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 5924-4GC", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 5916-8GC-4SFP+", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 5924SFP-4GC", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 5924-4SFP+", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Phoenix Contact", "product": "FL SWITCH 5916SFP-8GC-4SFP+", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "3.53", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-03-18T08:16:28.537", "references": [{"url": "https://certvde.com/de/advisories/VDE-2025-104", "source": "info@cert.vde.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "info@cert.vde.com", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow in the device's file installation workflow allows a high-privileged attacker to send oversized POST parameters that overflow a fixed-size stack buffer within an internal process, resulting in a DoS attack."}, {"lang": "es", "value": "Un desbordamiento de b\u00fafer basado en pila en el flujo de trabajo de instalaci\u00f3n de archivos del dispositivo permite a un atacante con altos privilegios enviar par\u00e1metros POST de tama\u00f1o excesivo que desbordan un b\u00fafer de pila de tama\u00f1o fijo dentro de un proceso interno, lo que resulta en un ataque de DoS."}], "lastModified": "2026-06-17T10:19:42.880", "sourceIdentifier": "info@cert.vde.com"}