CVE-2026-28616 in Android
Summary
by MITRE • 09/08/2026
In Setup Wizard, there is a possible way to force connection to a malicious network due to confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
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Analysis
by VulDB Data Team • 09/08/2026
The vulnerability described involves a confusion of authority within the setup wizard component of an operating system or application, specifically allowing an attacker to force a connection to a malicious network during initial configuration or device provisioning phases. This flaw stems from insufficient validation of the entity requesting network connectivity changes, leading to a classic confused deputy scenario where a privileged process is tricked into performing actions that benefit an unprivileged actor. During the setup wizard execution, which typically runs with elevated privileges to configure system settings, the software fails to properly distinguish between legitimate configuration requests and those initiated by lower-privilege processes or external inputs. This lack of strict identity verification allows an attacker who has already achieved local access, even without significant permissions, to manipulate the network connection parameters. By exploiting this weakness, the attacker can redirect traffic through a controlled malicious endpoint, effectively bypassing security controls that rely on trusted network paths and potentially gaining further foothold within the system or network infrastructure.
From a technical perspective, this vulnerability is categorized under CWE-269: Improper Privilege Management, specifically highlighting the failure to enforce proper authorization checks when performing sensitive operations like network configuration. The core issue lies in the setup wizard's inability to verify that the request originates from an authorized source with sufficient privileges or intent. In many modern operating systems, the initial setup process is critical for establishing baseline security policies, including firewall rules and DNS settings. If this component can be coerced into connecting to a malicious network by a less privileged entity, it undermines the integrity of the entire trust chain established during boot or first-run configuration. The absence of user interaction required for exploitation makes this particularly dangerous, as automated scripts or background processes triggered by other vulnerabilities could silently execute this attack vector without alerting the end-user.
The operational impact of this vulnerability is severe, primarily due to its potential for local privilege escalation and subsequent network compromise. Although the initial exploit may not require additional execution privileges beyond basic user access, the ability to force a connection to a malicious network allows an attacker to intercept sensitive data, inject malware via man-in-the-middle attacks, or establish persistent backdoors through compromised DNS resolution. This can lead to full system takeover if combined with other vulnerabilities that leverage the established malicious connection for further exploitation. Furthermore, because user interaction is not needed, automated attack tools can exploit this flaw rapidly across multiple devices in an enterprise environment, leading to widespread compromise without detection by human administrators. The lack of required user consent also means traditional security awareness training offers no protection against this specific vector.
Mitigation strategies must focus on strengthening the privilege boundaries and input validation within the setup wizard component. Developers should implement strict access control checks ensuring that only processes with explicit administrative privileges can modify network configuration settings during the setup phase. Additionally, implementing certificate pinning or DNSSEC verification for initial connections can prevent redirection to malicious networks even if the connection is forced. From a defensive standpoint, organizations should apply vendor-provided patches immediately upon release and monitor system logs for unusual network configuration changes occurring outside of expected administrative actions. Security tools such as host-based intrusion detection systems should be configured to alert on any attempts by non-administrative processes to modify network stack parameters during critical initialization phases. Regular audits of setup wizard code against CWE-269 guidelines can help identify and remediate similar confusion-of-authority flaws before they are exploited in the wild.