Search
Find a vulnerability
Search criteria
4 vulnerabilities found for Hybrid Backup Sync by QNAP Systems Inc.
CVE-2025-62841 (GCVE-0-2025-62841)
Vulnerability from nvd – Published: 2026-10-29 07:40 – Updated: 2026-10-29 14:16
VLAI
EPSS
VEX
Title
Hard-coded Cryptographic Key #2
Summary
An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.1.563 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 14:15 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
|
|
| QNAP Systems Inc. | Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
Affected: 26.4.x , < 26.4.1.563 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-62841",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-29T14:15:52.238355Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T14:16:06.907Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "HBS 3 Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
},
{
"lessThan": "26.4.1.563",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Team DDOS"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\u003cbr\u003e\u003cbr\u003eWe have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"impacts": [
{
"capecId": "CAPEC-191",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-191"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "CWE-321",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T07:40:02.766Z",
"orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"shortName": "qnap"
},
"references": [
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=HBS%203\u0026app=HybridBackup\u0026product-line=nas"
},
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=Hybrid\u0026app=HybridBackup\u0026product-line=nas"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "We have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "We have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Hard-coded Cryptographic Key #2",
"x_generator": {
"engine": "QNAP PSIRT cve_tool 0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"assignerShortName": "qnap",
"cveId": "CVE-2025-62841",
"datePublished": "2026-10-29T07:40:02.766Z",
"dateReserved": "2025-10-24T02:43:45.372Z",
"dateUpdated": "2026-10-29T14:16:06.907Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-62839 (GCVE-0-2025-62839)
Vulnerability from nvd – Published: 2026-10-29 07:39 – Updated: 2026-10-29 14:17
VLAI
EPSS
VEX
Title
Hard-coded Cryptographic Key #1
Summary
An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.1.563 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 14:17 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
|
|
| QNAP Systems Inc. | Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
Affected: 26.4.x , < 26.4.1.563 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-62839",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-29T14:17:33.034037Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T14:17:58.115Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "HBS 3 Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
},
{
"lessThan": "26.4.1.563",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Team DDOS"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\u003cbr\u003e\u003cbr\u003eWe have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"impacts": [
{
"capecId": "CAPEC-191",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-191"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "CWE-321",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T07:39:53.736Z",
"orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"shortName": "qnap"
},
"references": [
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=HBS%203\u0026app=HybridBackup\u0026product-line=nas"
},
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=Hybrid\u0026app=HybridBackup\u0026product-line=nas"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "We have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "We have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Hard-coded Cryptographic Key #1",
"x_generator": {
"engine": "QNAP PSIRT cve_tool 0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"assignerShortName": "qnap",
"cveId": "CVE-2025-62839",
"datePublished": "2026-10-29T07:39:53.736Z",
"dateReserved": "2025-10-24T02:43:45.371Z",
"dateUpdated": "2026-10-29T14:17:58.115Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-62841 (GCVE-0-2025-62841)
Vulnerability from cvelistv5 – Published: 2026-10-29 07:40 – Updated: 2026-10-29 14:16
VLAI
EPSS
VEX
Title
Hard-coded Cryptographic Key #2
Summary
An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.1.563 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 14:15 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
|
|
| QNAP Systems Inc. | Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
Affected: 26.4.x , < 26.4.1.563 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-62841",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-29T14:15:52.238355Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T14:16:06.907Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "HBS 3 Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
},
{
"lessThan": "26.4.1.563",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Team DDOS"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\u003cbr\u003e\u003cbr\u003eWe have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"impacts": [
{
"capecId": "CAPEC-191",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-191"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "CWE-321",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T07:40:02.766Z",
"orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"shortName": "qnap"
},
"references": [
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=HBS%203\u0026app=HybridBackup\u0026product-line=nas"
},
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=Hybrid\u0026app=HybridBackup\u0026product-line=nas"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "We have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "We have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Hard-coded Cryptographic Key #2",
"x_generator": {
"engine": "QNAP PSIRT cve_tool 0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"assignerShortName": "qnap",
"cveId": "CVE-2025-62841",
"datePublished": "2026-10-29T07:40:02.766Z",
"dateReserved": "2025-10-24T02:43:45.372Z",
"dateUpdated": "2026-10-29T14:16:06.907Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2025-62839 (GCVE-0-2025-62839)
Vulnerability from cvelistv5 – Published: 2026-10-29 07:39 – Updated: 2026-10-29 14:17
VLAI
EPSS
VEX
Title
Hard-coded Cryptographic Key #1
Summary
An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.1.563 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 14:17 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
| https://www.qnap.com/en/app-release-notes?keyword… | release-notes |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
|
|
| QNAP Systems Inc. | Hybrid Backup Sync |
Affected:
26.4.x , < 26.4.0.521
(custom)
Affected: 26.4.x , < 26.4.1.563 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-62839",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-29T14:17:33.034037Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T14:17:58.115Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "HBS 3 Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Hybrid Backup Sync",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "26.4.0.521",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
},
{
"lessThan": "26.4.1.563",
"status": "affected",
"version": "26.4.x",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Team DDOS"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\u003cbr\u003e\u003cbr\u003eWe have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"impacts": [
{
"capecId": "CAPEC-191",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-191"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "CWE-321",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-29T07:39:53.736Z",
"orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"shortName": "qnap"
},
"references": [
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=HBS%203\u0026app=HybridBackup\u0026product-line=nas"
},
{
"tags": [
"release-notes"
],
"url": "https://www.qnap.com/en/app-release-notes?keyword=Hybrid\u0026app=HybridBackup\u0026product-line=nas"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "We have already fixed the vulnerability in the following version:\u003cbr\u003eHBS 3 Hybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.0.521 and later\u003cbr\u003eHybrid Backup Sync 26.4.1.563 and later"
}
],
"value": "We have already fixed the vulnerability in the following version:\nHBS 3 Hybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.0.521 and later\nHybrid Backup Sync 26.4.1.563 and later"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Hard-coded Cryptographic Key #1",
"x_generator": {
"engine": "QNAP PSIRT cve_tool 0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"assignerShortName": "qnap",
"cveId": "CVE-2025-62839",
"datePublished": "2026-10-29T07:39:53.736Z",
"dateReserved": "2025-10-24T02:43:45.371Z",
"dateUpdated": "2026-10-29T14:17:58.115Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}