CVE-2026-43829 in ADAM-3600 EdgeLink
Summary
by MITRE • 07/31/2026
Successful exploitation of the vulnerability could allow an unauthenticated attacker to exploit a stack-based buffer overflow in the password functionality to conduct code execution when the SafeEnhancement feature is enabled.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 07/31/2026
This vulnerability represents a critical stack-based buffer overflow within the password handling mechanism of a system that becomes exploitable when the SafeEnhancement feature is active. The flaw occurs in the stack memory management during password processing operations, where insufficient bounds checking allows an attacker to overwrite adjacent memory locations with malicious data. The vulnerability specifically manifests when the SafeEnhancement feature is enabled, suggesting that certain security protections or code paths are altered to create conditions favorable for exploitation. An unauthenticated attacker can leverage this weakness by crafting specially formatted input that exceeds the allocated buffer space, causing a stack overflow condition that can be manipulated to redirect program execution flow. The implications extend beyond simple denial of service as this vulnerability enables arbitrary code execution, potentially allowing attackers to gain complete system control.
The technical nature of this vulnerability aligns with CWE-121 Stack-based Buffer Overflow, which specifically addresses buffer overflows occurring in stack memory regions where insufficient input validation permits memory corruption. This type of vulnerability typically maps to ATT&CK technique T1059.007 Command and Scripting Interpreter: PowerShell within the execution phase, as attackers often utilize such vulnerabilities to deploy malicious payloads or establish persistence mechanisms. The exploitation requires careful crafting of input data that can overflow the designated buffer while maintaining control over the instruction pointer to redirect execution to attacker-controlled code.
The operational impact of this vulnerability is severe as it provides an attack vector that does not require authentication credentials, making it particularly dangerous for systems where password functionality is exposed to external networks. When SafeEnhancement is enabled, the system's normal protective mechanisms may actually create conditions that facilitate exploitation rather than prevent it, suggesting that the security feature itself introduces additional complexity that can be leveraged by adversaries. The successful exploitation could result in complete system compromise, data exfiltration, privilege escalation, and establishment of persistent backdoors within the affected environment.
Mitigation strategies should focus on implementing comprehensive input validation and bounds checking mechanisms within the password processing functionality to prevent buffer overflow conditions from occurring. Immediate remediation efforts must include code reviews and static analysis to identify all potential buffer overflow vulnerabilities in the authentication subsystem, particularly when SafeEnhancement features are enabled. Memory protection mechanisms such as stack canaries, address space layout randomization, and data execution prevention should be enabled to make exploitation more difficult. Additionally, implementing rate limiting and access controls on password functionality can reduce the effectiveness of automated exploitation attempts. Regular security assessments and penetration testing should specifically target authentication mechanisms to identify similar vulnerabilities that may exist in related system components. Organizations should also consider implementing network segmentation to limit exposure of systems with vulnerable password handling functionality while ensuring proper patch management protocols are established to address this and similar vulnerabilities promptly.