CVE-2024-44386 in FH1206
Summary
by MITRE • 08/23/2024
Tenda FH1206 V1.2.0.8(8155)_EN contains a Buffer Overflow vulnerability via the function fromSetIpBind.
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Analysis
by VulDB Data Team • 08/24/2024
The vulnerability identified as CVE-2024-44386 affects the Tenda FH1206 router firmware version V1.2.0.8(8155)_EN, presenting a critical buffer overflow condition within the fromSetIpBind function. This flaw represents a significant security weakness that could enable remote attackers to execute arbitrary code on the affected device. The buffer overflow occurs when the router processes input data through the specific function, allowing malicious actors to overwrite adjacent memory locations and potentially gain unauthorized control over the network device. The vulnerability stems from inadequate input validation and bounds checking within the firmware's network configuration handling mechanism.
The technical implementation of this buffer overflow vulnerability places the device at risk of exploitation through carefully crafted network packets or web interface inputs that trigger the fromSetIpBind function. When the router receives malformed data during IP binding configuration operations, the insufficient buffer size validation allows attackers to overflow the allocated memory space. This condition creates opportunities for attackers to inject malicious code that can manipulate the router's execution flow, potentially leading to complete system compromise. The vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and represents a direct threat to the router's integrity and operational security. Network attackers can leverage this weakness to execute arbitrary commands, gain root access, or disrupt network services through remote exploitation.
The operational impact of this vulnerability extends beyond simple device compromise, as it affects the fundamental security posture of networks relying on the affected Tenda router models. Once exploited, the buffer overflow could enable attackers to modify network configurations, redirect traffic through malicious servers, or establish persistent backdoors within the network infrastructure. The vulnerability affects the router's ability to maintain secure network boundaries and could potentially allow lateral movement within the network. Organizations using this firmware version face risks of data interception, man-in-the-middle attacks, and unauthorized access to connected devices. The exploitation of this vulnerability could also violate security standards such as those outlined in the NIST Cybersecurity Framework and could breach compliance requirements for network security management.
Mitigation strategies for CVE-2024-44386 should prioritize immediate firmware updates from Tenda's official support channels, as the vendor may have released patches addressing this specific buffer overflow condition. Network administrators should implement network segmentation and access controls to limit the potential impact of exploitation, while monitoring network traffic for signs of malicious activity targeting the affected router models. Additional protective measures include disabling unnecessary network services, implementing robust firewall rules, and conducting thorough network vulnerability assessments to identify other potentially affected devices. Security teams should consider the ATT&CK framework's T1059.007 technique for command and scripting interpreter usage, as the vulnerability could enable attackers to execute system commands through the compromised router. Organizations should also establish incident response procedures specifically addressing router compromise scenarios and maintain detailed network documentation to facilitate rapid remediation efforts.