FKIE_CVE-2026-22318
Vulnerability from fkie_nvd - Published: 2026-03-18 08:16 - Updated: 2026-06-17 10:19
Severity
Summary
A stack-based buffer overflow vulnerability in the device's file transfer parameter workflow allows a high-privileged attacker to send oversized POST parameters, causing memory corruption in an internal process, resulting in a DoS attack.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2005",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2008",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2016",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2105",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2108",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2116",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2204-2TC-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2205",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2206-2FX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2206-2FX SM",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2206-2FX SM ST",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2206-2FX ST",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2206-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2206-2SFX PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2206C-2FX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2207-FX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2207-FX SM",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2208",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2208 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2208C",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2212-2TC-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2214-2FX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2214-2FX SM",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2214-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2214-2SFX PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2216",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2216 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2304-2GC-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2306-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2306-2SFP PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2308",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2308 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2312-2GC-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2314-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2314-2SFP PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2316",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2316 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2404-2TC-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2406-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2406-2SFX PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2408",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2408 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2412-2TC-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2414-2SFX",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2414-2SFX PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2416",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2416 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2504-2GC-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2506-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2506-2SFP PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2508",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2508 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2512-2GC-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2514-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2514-2SFP PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2516",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2516 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2608",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2608 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2708",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2708 PN",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2303-8SP1",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL NAT 2008",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL NAT 2208",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL NAT 2304-2GC-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2008F",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2316/K1",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2506-2SFP/K1",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 2508/K1",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH TSN 2316",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH TSN 2312-2GC-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH TSN 2314-2SFP",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 5924-4GC",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 5916-8GC-4SFP+",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 5924SFP-4GC",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 5924-4SFP+",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "FL SWITCH 5916SFP-8GC-4SFP+",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThan": "3.53",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
}
],
"source": "info@cert.vde.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A stack-based buffer overflow vulnerability in the device\u0027s file transfer parameter workflow allows a high-privileged attacker to send oversized POST parameters, causing memory corruption in an internal process, resulting in a DoS attack."
},
{
"lang": "es",
"value": "Una vulnerabilidad de desbordamiento de b\u00fafer basado en pila en el flujo de trabajo de par\u00e1metros de transferencia de archivos del dispositivo permite a un atacante con altos privilegios enviar par\u00e1metros POST sobredimensionados, causando corrupci\u00f3n de memoria en un proceso interno, resultando en un ataque DoS."
}
],
"id": "CVE-2026-22318",
"lastModified": "2026-06-17T10:19:42.650",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 3.6,
"source": "info@cert.vde.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-22318",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-18T13:40:21.762727Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-03-18T08:16:28.060",
"references": [
{
"source": "info@cert.vde.com",
"url": "https://certvde.com/de/advisories/VDE-2025-104"
}
],
"sourceIdentifier": "info@cert.vde.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-121"
}
],
"source": "info@cert.vde.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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