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12 vulnerabilities found for hybrid_backup_sync by qnap
CVE-2025-62842 (GCVE-0-2025-62842)
Vulnerability from nvd – Published: 2026-01-02 15:51 – Updated: 2026-01-05 20:38
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
An external control of file name or path vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If an attacker gains local network access, they can then exploit the vulnerability to read or modify files or directories.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.2.0.938 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
26.1.x , < 26.2.0.938
(custom)
|
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CVE-2025-62840 (GCVE-0-2025-62840)
Vulnerability from nvd – Published: 2026-01-02 15:51 – Updated: 2026-01-05 20:38
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
A generation of error message containing sensitive information vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If an attacker gains local network access, they can then exploit the vulnerability to read application data.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.2.0.938 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
26.1.x , < 26.2.0.938
(custom)
|
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CVE-2024-53695 (GCVE-0-2024-53695)
Vulnerability from nvd – Published: 2025-03-07 16:13 – Updated: 2025-03-07 17:54
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
A buffer overflow vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to modify memory or crash processes.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 25.1.4.952 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
25.1.x , < 25.1.4.952
(custom)
|
Credits
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CVE-2024-50388 (GCVE-0-2024-50388)
Vulnerability from nvd – Published: 2024-12-06 16:35 – Updated: 2024-12-06 19:59
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
An OS command injection vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to execute commands.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 25.1.1.673 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
25.1.x , < 25.1.1.673
(custom)
|
|
| qnap | hbs_3 |
Affected:
25.1.x , < 25.1.1.673
(custom)
cpe:2.3:a:qnap:hbs_3:*:*:*:*:*:*:*:* |
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CVE-2021-28809 (GCVE-0-2021-28809)
Vulnerability from nvd – Published: 2021-07-08 07:40 – Updated: 2024-09-17 00:36
VLAI
Title
Missing Authentication for Critical Function in RTRR Server in HBS3
Summary
An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later
Severity
9.8 (Critical)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-21-19 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210507
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210506
(custom)
|
Date Public
2021-07-08 00:00
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CVE-2021-28799 (GCVE-0-2021-28799)
Vulnerability from nvd – Published: 2021-05-13 02:55 – Updated: 2025-10-21 23:25Title
Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync)
Summary
An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.210411 on QTS 4.3.4; versions prior to v3.0.210411 on QTS 4.3.3; versions prior to v16.0.0419 on QuTS hero h4.5.1; versions prior to v16.0.0419 on QuTScloud c4.5.1~c4.5.4. This issue does not affect: QNAP Systems Inc. HBS 2 . QNAP Systems Inc. HBS 1.3 .
Severity
10 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/QSA-21-13 | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v16.0.0415
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210412
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210411
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v16.0.0419
(custom)
|
|
| QNAP Systems Inc. | HBS 2 |
Unaffected:
all versions
|
|
| QNAP Systems Inc. | HBS 1.3 |
Unaffected:
all versions
|
Date Public
2021-04-22 00:00
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CVE-2025-62842 (GCVE-0-2025-62842)
Vulnerability from cvelistv5 – Published: 2026-01-02 15:51 – Updated: 2026-01-05 20:38
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
An external control of file name or path vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If an attacker gains local network access, they can then exploit the vulnerability to read or modify files or directories.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.2.0.938 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
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|---|---|---|---|
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Affected:
26.1.x , < 26.2.0.938
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CVE-2025-62840 (GCVE-0-2025-62840)
Vulnerability from cvelistv5 – Published: 2026-01-02 15:51 – Updated: 2026-01-05 20:38
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
A generation of error message containing sensitive information vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If an attacker gains local network access, they can then exploit the vulnerability to read application data.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.2.0.938 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
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Affected:
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CVE-2024-53695 (GCVE-0-2024-53695)
Vulnerability from cvelistv5 – Published: 2025-03-07 16:13 – Updated: 2025-03-07 17:54
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
A buffer overflow vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to modify memory or crash processes.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 25.1.4.952 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
25.1.x , < 25.1.4.952
(custom)
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CVE-2024-50388 (GCVE-0-2024-50388)
Vulnerability from cvelistv5 – Published: 2024-12-06 16:35 – Updated: 2024-12-06 19:59
VLAI
Title
HBS 3 Hybrid Backup Sync
Summary
An OS command injection vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to execute commands.
We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 25.1.1.673 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync |
Affected:
25.1.x , < 25.1.1.673
(custom)
|
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Affected:
25.1.x , < 25.1.1.673
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cpe:2.3:a:qnap:hbs_3:*:*:*:*:*:*:*:* |
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CVE-2021-28809 (GCVE-0-2021-28809)
Vulnerability from cvelistv5 – Published: 2021-07-08 07:40 – Updated: 2024-09-17 00:36
VLAI
Title
Missing Authentication for Critical Function in RTRR Server in HBS3
Summary
An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later
Severity
9.8 (Critical)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-21-19 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210507
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210506
(custom)
|
Date Public
2021-07-08 00:00
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CVE-2021-28799 (GCVE-0-2021-28799)
Vulnerability from cvelistv5 – Published: 2021-05-13 02:55 – Updated: 2025-10-21 23:25Title
Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync)
Summary
An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.210411 on QTS 4.3.4; versions prior to v3.0.210411 on QTS 4.3.3; versions prior to v16.0.0419 on QuTS hero h4.5.1; versions prior to v16.0.0419 on QuTScloud c4.5.1~c4.5.4. This issue does not affect: QNAP Systems Inc. HBS 2 . QNAP Systems Inc. HBS 1.3 .
Severity
10 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/QSA-21-13 | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v16.0.0415
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210412
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v3.0.210411
(custom)
|
|
| QNAP Systems Inc. | HBS 3 |
Affected:
unspecified , < v16.0.0419
(custom)
|
|
| QNAP Systems Inc. | HBS 2 |
Unaffected:
all versions
|
|
| QNAP Systems Inc. | HBS 1.3 |
Unaffected:
all versions
|
Date Public
2021-04-22 00:00
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"source": {
"advisory": "QSA-21-13",
"discovery": "EXTERNAL"
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"title": "Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync)",
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"TITLE": "Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync)"
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"scope": "CHANGED",
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