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6 vulnerabilities by Deciso
CVE-2026-2035 (GCVE-0-2026-2035)
Vulnerability from nvd – Published: 2026-02-20 22:13 – Updated: 2026-02-24 14:59
VLAI
Title
Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability
Summary
Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.
The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28131.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://github.com/opnsense/core/commit/cb15c9351… | vendor-advisory |
Date Public
2026-02-12 21:49
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CVE-2025-13698 (GCVE-0-2025-13698)
Vulnerability from nvd – Published: 2025-12-23 21:40 – Updated: 2025-12-24 16:11
VLAI
Title
Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability
Summary
Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.
The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://github.com/opnsense/core/commit/cb15c9351… | vendor-advisory |
Date Public
2025-11-25 21:44
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CVE-2025-34182 (GCVE-0-2025-34182)
Vulnerability from nvd – Published: 2025-10-01 17:01 – Updated: 2026-05-15 11:15
VLAI
Title
Deciso OPNsense < 25.7.4 /interfaces_ppps_edit.php ptpid Stored XSS
Summary
In Deciso OPNsense before 25.7.4, when creating an "Interfaces: Devices: Point-to-Point" entry, the value of the parameter ptpid is not sanitized of HTML-related characters/strings. This value is directly displayed when visiting the page/interfaces_assign.php, which can result in stored cross-site scripting. The attacker must be authenticated with at-least "Interfaces: PPPs: Edit" permission. This vulnerability has been addressed by the vendor in the product release notes as "ui: legacy_html_escape_form_data() was not escaping keys only data elements."
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://docs.opnsense.org/releases/CE_25.7.html#s… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/decisio-opns… | third-party-advisory |
Credits
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CVE-2026-2035 (GCVE-0-2026-2035)
Vulnerability from cvelistv5 – Published: 2026-02-20 22:13 – Updated: 2026-02-24 14:59
VLAI
Title
Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability
Summary
Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.
The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28131.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://github.com/opnsense/core/commit/cb15c9351… | vendor-advisory |
Date Public
2026-02-12 21:49
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CVE-2025-13698 (GCVE-0-2025-13698)
Vulnerability from cvelistv5 – Published: 2025-12-23 21:40 – Updated: 2025-12-24 16:11
VLAI
Title
Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability
Summary
Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability.
The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://github.com/opnsense/core/commit/cb15c9351… | vendor-advisory |
Date Public
2025-11-25 21:44
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CVE-2025-34182 (GCVE-0-2025-34182)
Vulnerability from cvelistv5 – Published: 2025-10-01 17:01 – Updated: 2026-05-15 11:15
VLAI
Title
Deciso OPNsense < 25.7.4 /interfaces_ppps_edit.php ptpid Stored XSS
Summary
In Deciso OPNsense before 25.7.4, when creating an "Interfaces: Devices: Point-to-Point" entry, the value of the parameter ptpid is not sanitized of HTML-related characters/strings. This value is directly displayed when visiting the page/interfaces_assign.php, which can result in stored cross-site scripting. The attacker must be authenticated with at-least "Interfaces: PPPs: Edit" permission. This vulnerability has been addressed by the vendor in the product release notes as "ui: legacy_html_escape_form_data() was not escaping keys only data elements."
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://docs.opnsense.org/releases/CE_25.7.html#s… | vendor-advisorypatch |
| https://www.vulncheck.com/advisories/decisio-opns… | third-party-advisory |
Credits
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