FKIE_CVE-2026-24716
Vulnerability from fkie_nvd - Published: 2026-06-10 04:17 - Updated: 2026-06-30 02:16
Severity
Summary
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following versions:
QTS 5.2.9.3492 build 20260507 and later
QuTS hero h5.2.9.3499 build 20260514 and later
QuTS hero h5.3.4.3500 build 20260520 and later
QuTS hero h6.0.0.3459 build 20260409 and later
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "QTS",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "5.2.9.3492 build 20260507",
"status": "affected",
"version": "5.2.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "QuTS hero",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "h5.2.9.3499 build 20260514",
"status": "affected",
"version": "h5.2.0",
"versionType": "custom"
},
{
"lessThan": "h5.3.4.3500 build 20260520",
"status": "affected",
"version": "h5.3.0",
"versionType": "custom"
},
{
"lessThan": "h6.0.0.3459 build 20260409",
"status": "affected",
"version": "?",
"versionType": "custom"
}
]
}
],
"source": "security@qnapsecurity.com.tw"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B9397B8D-19D7-4C6B-B074-BE278828B37C",
"versionEndExcluding": "5.2.9.3492",
"versionStartIncluding": "5.2.0.2737",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3C07A0D7-12E1-41DE-B7D2-D5315F20B2CD",
"versionEndExcluding": "h5.2.9.3499",
"versionStartIncluding": "h5.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
"matchCriteriaId": "24358BA7-15BD-439B-A17A-A62C027C68CB",
"versionEndExcluding": "h5.3.4.3500",
"versionStartIncluding": "h5.3.0.3115",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F15F857B-E6D9-47B5-9E9B-8C9AC78912F9",
"versionEndExcluding": "h6.0.0.3459",
"versionStartIncluding": "h6.0.0.3324",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.2.9.3492 build 20260507 and later\nQuTS hero h5.2.9.3499 build 20260514 and later\nQuTS hero h5.3.4.3500 build 20260520 and later\nQuTS hero h6.0.0.3459 build 20260409 and later"
}
],
"id": "CVE-2026-24716",
"lastModified": "2026-06-30T02:16:26.097",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 1.2,
"baseSeverity": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "UNREPORTED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "HIGH",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "security@qnapsecurity.com.tw",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-24716",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T15:42:55.700183Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-06-10T04:17:16.737",
"references": [
{
"source": "security@qnapsecurity.com.tw",
"url": "https://www.qnap.com/en/security-advisory/qsa-26-10"
}
],
"sourceIdentifier": "security@qnapsecurity.com.tw",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "security@qnapsecurity.com.tw",
"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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