ByteOS Network

NVD Vulnerability Details :

CVE-2026-2035

Awaiting Analysis

Source-zdi-disclosures@trendmicro.com

Published At-20 Feb, 2026 | 23:16

Updated At-23 Feb, 2026 | 18:14

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.0	6.8	MEDIUM	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Type: Secondary

Version: 3.0

Base score: 6.8

Base severity: MEDIUM

Vector:

CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE ID	Type	Source
CWE-78	Primary	zdi-disclosures@trendmicro.com

CWE ID: CWE-78

Type: Primary

Source: zdi-disclosures@trendmicro.com

References

Hyperlink	Source	Resource
https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af	zdi-disclosures@trendmicro.com	N/A
https://www.zerodayinitiative.com/advisories/ZDI-26-078/	zdi-disclosures@trendmicro.com	N/A

Hyperlink: https://github.com/opnsense/core/commit/cb15c935137d05c86a1e6cf12af877e9c32a23af

Source: zdi-disclosures@trendmicro.com

Resource: N/A

Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-26-078/

Source: zdi-disclosures@trendmicro.com

Resource: N/A

CISA Catalog

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Change History