CVE-2025-4534 in Logger1000
Summary
by MITRE • 05/11/2025
A vulnerability, which was classified as problematic, has been found in SunGrow Logger1000 01_A. This issue affects some unknown processing. The manipulation leads to weak password requirements. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 05/11/2025
CVE-2025-4534 represents a security weakness in SunGrow Logger1000 01_A device firmware that manifests through insufficient password policy enforcement during user authentication processes. This vulnerability falls under the category of weak authentication controls and specifically targets the password requirement validation mechanisms within the device's access management system. The flaw enables attackers to exploit weak credential policies that fail to enforce strong password complexity requirements, potentially allowing unauthorized access through brute force or credential stuffing attacks. The vulnerability's classification as remotely exploitable indicates that attackers can initiate the attack vector without physical access to the device, making it particularly concerning for network-connected industrial control systems. The attack complexity level of high suggests that while exploitation is possible, it requires significant technical expertise and resources to successfully compromise the system. This aligns with CWE-521 Weak Password Requirements, which specifically addresses insufficient password strength enforcement mechanisms that allow attackers to easily guess or crack user credentials through automated tools or dictionary attacks.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it compromises the fundamental security posture of the Logger1000 device and potentially the entire network infrastructure it connects to. Industrial control systems like the SunGrow Logger1000 are critical components in energy monitoring and management environments where unauthorized access can lead to data manipulation, system disruption, or even physical safety hazards. The vulnerability's disclosure status and the lack of vendor response creates a significant risk for organizations deploying these devices, as they remain exposed to potential exploitation without official patches or mitigations. Attackers can leverage this weakness through various methods including password spraying, credential reuse attacks, or automated brute force attempts targeting the device's authentication interface. The absence of vendor communication regarding this vulnerability is particularly concerning from a cybersecurity risk management perspective, as it indicates potential gaps in the vendor's security response protocols and may leave organizations without adequate remediation guidance.
Organizations utilizing SunGrow Logger1000 devices should implement immediate compensating controls while awaiting potential vendor patches or firmware updates. Network segmentation strategies should isolate these devices from critical infrastructure and implement strict access controls through firewalls and intrusion detection systems. Security teams should conduct comprehensive inventory assessments to identify all affected devices and establish monitoring protocols for unusual authentication attempts or network activity patterns. The vulnerability's characteristics align with ATT&CK technique T1110.003 Credential Stuffing, which involves using automated tools to test compromised credentials across multiple systems, and T1110.001 Password Guessing, which encompasses brute force and dictionary attacks against weak credential policies. Administrative users should be immediately prompted to implement stronger password policies, including minimum length requirements, complexity rules, and regular credential rotation schedules. Additionally, organizations should consider implementing multi-factor authentication mechanisms where possible, though this may require firmware upgrades or hardware modifications that could be limited by the device's current capabilities. The lack of vendor response necessitates proactive security measures including network monitoring for suspicious authentication patterns and potential exploitation indicators that could alert administrators to unauthorized access attempts.