CVE-2024-9565 in DIR-605L
Summary
by MITRE • 10/07/2024
A vulnerability has been found in D-Link DIR-605L 2.13B01 BETA and classified as critical. Affected by this vulnerability is the function formSetPassword of the file /goform/formSetPassword. The manipulation of the argument curTime leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/07/2024
The vulnerability identified as CVE-2024-9565 represents a critical buffer overflow flaw in D-Link DIR-605L 2.13B01 BETA wireless router firmware. This vulnerability specifically affects the formSetPassword function within the /goform/formSetPassword endpoint, which is part of the router's web-based administrative interface. The flaw manifests when the curTime argument is manipulated, creating conditions that allow attackers to overflow buffer boundaries and potentially execute arbitrary code on the affected device. The remote exploitability of this vulnerability means that attackers can leverage this flaw without requiring physical access to the device, making it particularly dangerous in networked environments where routers serve as critical entry points for network infrastructure.
The technical nature of this buffer overflow vulnerability places it squarely within CWE-121, which describes buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. This type of vulnerability can be exploited to overwrite critical program variables, function pointers, or return addresses, potentially enabling attackers to redirect program execution flow. The attack surface is particularly concerning given that the vulnerable function is part of the web administration interface, which means that any authenticated or unauthenticated remote access to the router's web management portal could potentially trigger this overflow condition. The disclosure of exploit details to the public community significantly increases the risk profile of this vulnerability, as it removes the element of exploit scarcity that typically limits the impact of newly discovered flaws.
The operational impact of this vulnerability extends far beyond simple device compromise, as it can potentially enable attackers to gain full administrative control over the affected router. This level of access would allow threat actors to modify network configurations, redirect traffic through malicious proxies, implement man-in-the-middle attacks, or establish persistent backdoors for future access. The router serves as a fundamental network gateway device, making compromise of this system potentially catastrophic for network security. Attackers could leverage this vulnerability to gain visibility into network traffic, potentially intercepting sensitive communications, or to use the compromised device as a launch point for lateral movement within the network infrastructure. The vulnerability's classification as critical indicates that the potential for significant security impact is substantial, particularly in enterprise environments where such devices may serve as network perimeters or provide access to sensitive internal systems.
Mitigation strategies for CVE-2024-9565 should prioritize immediate firmware updates from D-Link, as the company has likely released patches addressing this specific buffer overflow condition. Network administrators should also implement additional protective measures including disabling unnecessary remote administration features, implementing network segmentation to limit access to administrative interfaces, and deploying intrusion detection systems that can identify exploitation attempts. The use of network access control lists and firewall rules to restrict access to the router's web management interface can provide additional layers of protection while awaiting official patches. Organizations should also consider implementing network monitoring solutions that can detect anomalous traffic patterns or authentication attempts that might indicate exploitation activity. Regular security assessments of network infrastructure should include verification of device firmware versions and patch status, as this vulnerability demonstrates the importance of maintaining current firmware across all networked devices. The ATT&CK framework categorizes this type of vulnerability exploitation under T1210 - Exploitation of Remote Services, highlighting the need for comprehensive network security postures that address both endpoint and network-level protection measures.