CVE-2025-10681: Hardcoded Credentials Auth Bypass Flaw

CVE-2025-10681 Overview

CVE-2025-10681 is a hardcoded credentials vulnerability affecting mobile applications and device firmware. Storage credentials are embedded directly within the application code and firmware, creating a significant security risk. These credentials lack adequate permission restrictions and do not expire within a reasonable timeframe, potentially allowing unauthorized access to production storage containers.

Critical Impact

Attackers who extract hardcoded credentials from the mobile app or device firmware can gain unauthorized access to production storage infrastructure, potentially compromising sensitive data and system integrity.

Affected Products

• MyGardyn Mobile Application
• MyGardyn Device Firmware

Discovery Timeline

• 2026-04-03 - CVE-2025-10681 published to NVD
• 2026-04-07 - Last updated in NVD database

Technical Details for CVE-2025-10681

Vulnerability Analysis

This vulnerability is classified under CWE-798 (Use of Hard-coded Credentials), a common security weakness where authentication credentials are embedded directly within source code or firmware. The hardcoded credentials provide access to storage infrastructure without requiring proper authentication flows, bypassing standard security controls.

The vulnerability is network-accessible, meaning attackers do not need physical access to exploit it. Once the credentials are extracted—either through reverse engineering the mobile application or analyzing the device firmware—an attacker can directly access production storage containers. The credentials lack proper permission scoping, granting broader access than necessary, and have no reasonable expiration mechanism, allowing persistent unauthorized access until the credentials are manually rotated.

Root Cause

The root cause of this vulnerability stems from insecure development practices where storage credentials were embedded directly into the application and firmware codebase rather than implementing secure credential management. This approach violates security best practices for secrets management, which mandate that credentials should be stored securely, rotated regularly, and provisioned dynamically rather than hardcoded.

The failure to implement principle of least privilege for these credentials compounds the risk, as the embedded credentials provide excessive permissions beyond what is necessary for legitimate application functionality.

Attack Vector

The attack is network-based and requires no user interaction or prior authentication. An attacker can extract the hardcoded credentials through several methods:

1. Mobile Application Analysis: Decompiling or reverse engineering the mobile application to locate embedded credential strings
2. Firmware Extraction: Dumping and analyzing device firmware to identify storage access credentials
3. Network Traffic Analysis: Intercepting network communications where credentials may be transmitted

Once extracted, the credentials can be used to directly access production storage containers from any network location, potentially exfiltrating data, modifying stored content, or disrupting service availability.

Detection Methods for CVE-2025-10681

Indicators of Compromise

• Unusual access patterns to storage containers from unexpected IP addresses or geographic locations
• Authentication attempts using credentials associated with the affected mobile app or firmware
• Anomalous data access volumes or patterns inconsistent with normal application behavior
• Access to storage resources outside of expected application workflows

Detection Strategies

• Monitor storage container access logs for connections originating from non-application infrastructure
• Implement anomaly detection for storage API calls that deviate from established baselines
• Deploy cloud security posture management (CSPM) tools to identify overly permissive credential usage
• Utilize SentinelOne Singularity Platform to detect suspicious credential harvesting activities on endpoints

Monitoring Recommendations

• Enable comprehensive logging for all storage container access events
• Configure alerts for credential usage from new or unauthorized source IPs
• Implement real-time monitoring of data egress from affected storage infrastructure
• Establish baseline access patterns to facilitate anomaly detection

How to Mitigate CVE-2025-10681

Immediate Actions Required

• Rotate all storage credentials that may have been exposed through the mobile app or firmware
• Implement IP allowlisting to restrict storage access to authorized infrastructure only
• Review storage container access logs for evidence of unauthorized access
• Apply principle of least privilege to all storage credentials
• Deploy updated mobile application and firmware versions that implement secure credential management

Patch Information

Consult the MyGardyn Security Information page for the latest security updates and patched versions. Additional technical details are available in the CISA ICS Advisory ICSA-26-055-03 and the GitHub CSAF Resource.

Workarounds

• Implement network segmentation to restrict access to storage infrastructure from untrusted networks
• Deploy additional authentication layers such as mutual TLS for storage access
• Monitor and rate-limit API access to storage containers to detect and slow potential exploitation
• Consider implementing temporary IP-based access controls while awaiting patched versions

# Example: Rotate cloud storage credentials (AWS S3 example)
# Step 1: Create new access key
aws iam create-access-key --user-name storage-service-account

# Step 2: Update application configuration with new credentials
# Step 3: Disable old access key
aws iam update-access-key --user-name storage-service-account --access-key-id OLD_ACCESS_KEY_ID --status Inactive

# Step 4: After verification, delete old key
aws iam delete-access-key --user-name storage-service-account --access-key-id OLD_ACCESS_KEY_ID