CVE-2026-26846 in EBPro
Summary
by MITRE • 10/16/2026
Buffer Overflow vulnerability in WEINVEIW CO.,LTD EBPro v.6.10.01.510_20251022 allows a remote attacker to execute arbitrary code via the UtilityManagerEx.exe component
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Analysis
by VulDB Data Team • 10/16/2026
The identified security flaw represents a critical buffer overflow vulnerability located within the UtilityManagerEx.exe component of WEINVEIW CO.,LTD EBPro software, specifically version 6.10.01.510_20251022 and potentially subsequent builds that have not applied relevant patches. This type of memory corruption error occurs when the application fails to properly validate the length or boundaries of user-supplied input before copying it into a fixed-size buffer in memory. In this specific context, the UtilityManagerEx.exe module likely handles external data inputs such as configuration files, network packets, or command-line arguments without sufficient bounds checking. When an attacker crafts a malicious payload containing data that exceeds the allocated buffer size, the excess data overwrites adjacent memory locations on the stack or heap. This overwrite can corrupt critical program state information, including return addresses and function pointers, thereby allowing the attacker to redirect the flow of execution within the process.
From a technical perspective, this vulnerability aligns with Common Weakness Enumeration identifier CWE-120, which classifies buffer copies without checks size or bounds. The exploitation mechanism typically involves injecting shellcode into the overwritten memory region and manipulating control registers such as the instruction pointer to point to this malicious code. Because the affected component is part of an enterprise building management system software suite, the implications extend beyond simple application crashes. Successful exploitation grants a remote attacker arbitrary code execution capabilities with the privileges associated with the user account running the EBPro service or executable. If the service runs with elevated permissions, which is common for utility managers handling hardware interfaces and network configurations, the compromise can lead to full system takeover, allowing the installation of backdoors, data exfiltration, or lateral movement within the corporate network infrastructure.
The operational impact of this vulnerability is severe due to its remote exploitability. Unlike local vulnerabilities that require physical access or prior authentication, a remote buffer overflow in UtilityManagerEx.exe allows an attacker to initiate exploitation over the network without needing valid credentials initially. This characteristic maps directly to MITRE ATT&CK technique T1203, which covers Exploitation for Client Execution, and potentially T1059 if it leads to command execution via scripting or binary execution. The availability of this flaw in a widely deployed industrial control system component increases the risk profile significantly, as attackers often target such systems for disruption or espionage. A successful exploit could disrupt building operations by manipulating HVAC controls, security access points, or energy management systems, leading to physical safety risks and significant financial losses due to downtime and remediation efforts.
Mitigation strategies must address both immediate containment and long-term resilience. The primary defense is the application of vendor-provided patches that update UtilityManagerEx.exe with proper input validation routines and bounds checking mechanisms. Organizations should verify their inventory for instances of EBPro version 6.10.01.510_20251022 or any unpatched versions prior to this release date. In the interim, network segmentation is crucial; restricting access to the ports utilized by UtilityManagerEx.exe to only trusted management subnets can reduce the attack surface significantly. Additionally, deploying intrusion detection systems with signatures capable of detecting buffer overflow patterns and enforcing strict egress filtering will help in identifying attempted exploitation activities. Regular vulnerability scanning and penetration testing focused on industrial control system components are recommended to ensure that such weaknesses do not persist in production environments.