IoT
CVE-2025-40805
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an unauthenticated remote attacker to circumvent authentication and impersonate a legitimate user. Successful exploitation requires that the attacker has learned the identity of a legitimate user.
AnalysisAI
An API authentication bypass allows unauthenticated attackers to impersonate legitimate users. Maximum CVSS 10.0 with scope change. Requires knowledge of a legitimate user's identity.
Technical ContextAI
Specific API endpoints do not enforce proper user authentication (CWE-639). An attacker who knows a legitimate user's identity can impersonate them without credentials.
Affected ProductsAI
See vendor advisory
RemediationAI
Apply vendor patches. Implement proper authentication on all API endpoints.
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Same technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today