Description

Rently Smart Home versions 20.1.0 and prior are vulnerable to an Insufficiently Protected Credentials vulnerability. This could allow an attacker to retrieve pins including the Master Pin, overriding standard user permissions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.1",
  "pubDate": "2026-08-26T14:17:13.220Z",
  "pubdate": "2026-08-26T14:17:13.220Z",
  "executiveSummary": "Rently Smart Home versions 20.1.0 and prior contain a critical vulnerability categorized as Insufficiently Protected Credentials.\nThis flaw allows unauthorized entities to retrieve sensitive authentication data, specifically PIN codes associated with the smart home system.\nThe vulnerability poses a severe risk to physical security, as it grants unauthorized access to the Master Pin, effectively bypassing established user permission models and access controls.\nThe scope of impact includes all installations running the identified affected versions, providing an attacker with the capability to perform unauthorized administrative actions, override security configurations, and gain physical entry to secured premises.\nExploitation does not inherently require high-level technical expertise if the credential storage mechanism is exposed or improperly encrypted, significantly lowering the barrier for entry for malicious actors seeking to compromise smart home infrastructure.",
  "technicalDetails": "The identified vulnerability stems from the improper management and storage of sensitive authentication credentials within Rently Smart Home versions 20.1.0 and prior. Specifically, the system fails to sufficiently protect user and administrator PINs, leading to a condition where these credentials can be retrieved by unauthorized actors.\nRoot Cause Analysis: The core of the issue resides in the application's credential handling lifecycle. It is highly probable that the system either stores these sensitive PIN values in cleartext, uses reversible obfuscation techniques, or implements insecure API endpoints that return sensitive credential data without enforcing strict authorization checks. By failing to leverage industry-standard cryptographic storage practices—such as salted hashing (e.g., Argon2 or bcrypt) or hardware-backed secure enclaves—the system exposes its most critical secrets.\nAttack Flow: An attacker targeting this vulnerability would typically begin by analyzing the application's communication layer or local storage artifacts. If the credentials are exposed via an API, an attacker might craft specific requests to an unauthenticated or weakly authenticated endpoint that discloses user profile information or system configuration parameters. If the credentials are stored locally, an attacker might leverage file system access or mobile application data extraction techniques to retrieve the raw or weakly encrypted data.\nExploitation: Once the attacker successfully queries the vulnerable component, the system returns the retrieved PINs. In the context of Rently Smart Home, the most critical data point is the 'Master Pin'. Possession of the Master Pin allows an attacker to bypass all user-level access restrictions. The attacker effectively elevates their privileges to that of a system administrator, granting them the ability to unlock doors, disarm security sensors, and potentially modify device management configurations without triggering standard security alerts.\nSystemic Impact: The vulnerability represents a complete breakdown of the principle of least privilege. Because the Master Pin acts as a global override, the security of the entire home ecosystem is compromised once the credential is leaked. This persistent threat remains viable until the credential is rotated and the underlying storage mechanism is remediated to prevent unauthorized read access. Given the nature of smart home systems, this exposure likely persists across network segments where the application is deployed, requiring immediate intervention to prevent physical security breaches."
}