CVE-2026-85543 in Wi-Fi camera
Summary
by MITRE • 09/10/2026
Some Wi-Fi series camera products have insufficient permission validation on certain interfaces, allowing authenticated low-privileged users to obtain device Wi-Fi configuration information through these interfaces.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 09/10/2026
The identified vulnerability represents a critical failure in access control mechanisms within the web interface or API of specific Wi-Fi series camera devices. This flaw is categorized under CWE-284, which describes Improper Access Control, and specifically aligns with MITRE ATT&CK technique T1078, Valid Accounts, as it allows an attacker to leverage existing but low-privileged credentials to perform actions beyond their intended scope. The core technical issue lies in the server-side validation logic for certain configuration endpoints. While the system correctly authenticates users and assigns them a role such as viewer or guest, it fails to enforce strict authorization checks on specific requests related to Wi-Fi network settings. Consequently, any user who can successfully log into the device with minimal privileges is able to query sensitive configuration data that should be restricted to administrative accounts only.
From an operational perspective, this vulnerability enables unauthorized disclosure of critical network infrastructure details. An attacker exploiting this flaw can retrieve SSIDs, encryption types such as WPA2 or WPA3 keys, and potentially other security parameters associated with the camera's wireless connection. This information is highly sensitive because it not only compromises the privacy of the device itself but also provides a foothold for further attacks against the local network segment to which the camera connects. By obtaining these credentials, an adversary can attempt to connect directly to the Wi-Fi network using standard tools, thereby gaining access to other devices on the same subnet or attempting offline dictionary attacks against captured handshakes if encryption keys are exposed in plaintext within the configuration files accessed via the vulnerable interface.
The impact extends beyond simple data leakage. Access to Wi-Fi configurations can facilitate more sophisticated lateral movement strategies. If the camera is part of a larger Internet of Things ecosystem, understanding the network topology and security posture allows an attacker to map out potential targets with greater precision. Furthermore, in environments where devices share common authentication mechanisms or default credentials across multiple units, knowledge of one device's Wi-Fi settings might aid in compromising other similar models on the same network. This undermines the principle of least privilege, which dictates that users should only have access to resources necessary for their specific role, and highlights a significant gap in the security architecture of these embedded systems.
To mitigate this vulnerability, vendors must implement robust server-side authorization checks for all API endpoints and web interfaces. It is essential to ensure that permission validation occurs not just at the authentication layer but also at every request handling stage within the application logic. Developers should adopt a deny-by-default approach where any action requiring elevated privileges explicitly verifies that the current session possesses administrative rights before processing the request. Additionally, implementing role-based access control with strict separation of duties can prevent low-privileged users from accessing configuration endpoints entirely. Regular security audits and penetration testing focusing on broken object level authorization flaws are recommended to identify similar gaps in other parts of the firmware or web application interface.