CVE-2026-7413
HighSummary
A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.
Risk Assessment
The presence of the backdoor poses a serious security risk to the organization, allowing unauthorized access to sensitive system functions. This could lead to data breaches and loss of control over devices.
Recommendation
It is recommended to immediately update the firmware to the latest version that eliminates this vulnerability and to monitor systems for potential unauthorized activities.
Other vulnerabilities in Yarbo firmware v2.3.9
Original NVD description (English source)
A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is undocumented, cannot be disabled via user-facing settings, and survives factory reset and ordinary firmware updates.