CVE-2025-2862 in saTECH BCU
Summary
by MITRE • 03/28/2025
SaTECH BCU, in its firmware version 2.1.3, performs weak password encryption. This allows an attacker with access to the device's system or website to obtain the credentials, as the storage methods used are not strong enough in terms of encryption.
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Analysis
by VulDB Data Team • 10/16/2025
The vulnerability identified as CVE-2025-2862 affects the SaTECH BCU device running firmware version 2.1.3, representing a critical weakness in the device's credential storage mechanisms. This issue stems from the implementation of weak password encryption algorithms that fail to provide adequate protection for sensitive authentication data. The vulnerability exists within the device's firmware architecture where user credentials are stored using insufficient cryptographic methods, creating an exploitable condition that compromises the security posture of the entire system. The weak encryption implementation directly violates established security best practices and industry standards for credential protection.
The technical flaw manifests through the use of inadequate encryption algorithms or improper implementation of cryptographic functions within the BCU firmware. This weakness allows attackers who gain access to the device's system or website interface to extract stored credentials without significant effort or specialized tools. The vulnerability demonstrates poor adherence to cryptographic security requirements and represents a failure to implement industry-standard encryption methodologies. The encryption methods employed likely utilize deprecated or weak ciphers that can be readily reversed or bypassed through conventional attack techniques. This weakness creates a direct pathway for credential compromise that undermines the device's authentication security model.
The operational impact of CVE-2025-2862 extends beyond simple credential theft to encompass potential system compromise and broader security implications. An attacker who successfully exploits this vulnerability gains access to legitimate user credentials that can be used for unauthorized access to the device's management interfaces, potentially leading to complete system control. The vulnerability also creates opportunities for lateral movement within networks where the BCU device operates, as compromised credentials may grant access to other connected systems. This weakness directly impacts the device's ability to maintain secure authentication boundaries and can result in unauthorized configuration changes, data exfiltration, and service disruption. The vulnerability's impact is particularly severe given that it affects the fundamental authentication mechanisms of the device.
Mitigation strategies for CVE-2025-2862 must address both immediate remediation and long-term security improvements. Organizations should immediately implement firmware updates from SaTECH to address the encryption weakness, while also considering temporary network segmentation to limit potential attack vectors. The implementation of strong encryption algorithms such as AES-256 with proper key management practices should be enforced for all credential storage mechanisms. Security configurations should be reviewed to ensure that password policies are properly enforced and that weak encryption methods are completely eliminated from system components. This vulnerability aligns with CWE-326 which specifically addresses inadequate encryption strength, and represents a clear violation of security controls that would typically be addressed through ATT&CK technique T1566 for credential access and T1071 for application layer protocols. Organizations should also implement monitoring solutions to detect potential exploitation attempts and establish incident response procedures specifically addressing credential compromise scenarios.