CVE-2025-40898

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{"analysis": {"en": {"generated_at": "2026-04-20T16:34:06.916433+00:00", "value": {"mitigation_remediation": ["Deploy the vendor\u2011supplied patch by upgrading Nozomi Networks CMC and Guardian to version 25.5.0 or later.", "Limit access to the web management interface by configuring internal firewall rules to allow only trusted networks or IP addresses.", "Audit all accounts that have upload or administrative privileges on the devices and remove accounts that are unnecessary or inactive.", "If an immediate upgrade is not possible, disable or restrict the Import Arc data archive functionality and monitor for abnormal upload activity."], "summary": {"action": "Immediate Patch", "impact": "Arbitrary file write enabling configuration tampering or availability impact"}, "threat_synthesis": {"affected_systems": "Nozomi Networks CMC and Guardian products are affected for all releases prior to version 25.5.0. The vulnerability exists across both product lines and is active until the vendor releases a patch in version 25.5.0 or later.", "description_and_impact": "A path traversal flaw in the Import Arc data archive feature allows an authenticated user with limited privileges to upload a specially crafted archive. The uploader\u2019s input is insufficiently validated, enabling the write of files to arbitrary filesystem locations. This can change the device configuration or disrupt operation, potentially leading to broader compromise if configuration files control executable components.", "risk_and_exploitability": "The CVSS score of 7.2 classifies this as high severity, while the EPSS score of less than 1% indicates a low exploitation likelihood as of now. The vulnerability is not listed in CISA\u2019s KEV catalog. Exploitation requires the attacker to authenticate to the web management interface and upload a malicious archive, so the attack vector is assumed to be the web interface with limited\u2011privilege accounts."}}}}, "created": "2026-04-20T16:45:11.949340+00:00", "updated": "2026-04-20T16:45:11.949352+00:00", "vendors": []}