CVE-2024-32290 in W30E
Summary
by MITRE • 04/17/2024
Tenda W30E v1.0 v1.0.1.25(633) firmware has a stack overflow vulnerability via the page parameter in the fromAddressNat function.
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Analysis
by VulDB Data Team • 03/17/2025
The vulnerability identified as CVE-2024-32290 affects the Tenda W30E wireless router firmware version 1.0 v1.0.1.25(633) and represents a critical stack overflow flaw within the network address translation functionality. This vulnerability manifests through the page parameter in the fromAddressNat function, which processes network traffic routing and address translation operations. The stack overflow occurs when the firmware fails to properly validate input parameters, specifically the page parameter, allowing an attacker to manipulate the function's execution flow through maliciously crafted input data. This flaw resides in the router's web interface handling mechanism where user-supplied parameters are directly processed without adequate bounds checking or sanitization.
The technical exploitation of this vulnerability stems from improper input validation within the network address translation component of the Tenda W30E firmware. When an attacker submits a crafted page parameter to the fromAddressNat function, the firmware's stack-based buffer overflow allows for arbitrary code execution or system crash. The vulnerability is classified as a stack-based buffer overflow under CWE-121, which represents a fundamental memory corruption issue where data written to a fixed-size buffer exceeds its allocated space, overwriting adjacent memory locations. This type of vulnerability provides attackers with potential pathways to escalate privileges, gain persistent access, or cause denial of service conditions within the affected network infrastructure.
The operational impact of CVE-2024-32290 extends beyond simple network disruption, as it enables attackers to compromise the entire router infrastructure and potentially gain access to the internal network. Once exploited, this vulnerability allows for remote code execution, which aligns with ATT&CK technique T1059.007 for command and scripting interpreter. The compromised router can then serve as a pivot point for lateral movement within the network, enabling attackers to conduct reconnaissance, establish persistent backdoors, or launch further attacks against connected devices. Network administrators may experience unauthorized access to router configuration settings, DNS resolution manipulation, or traffic interception capabilities that undermine the security posture of the entire network infrastructure.
Mitigation strategies for this vulnerability should prioritize immediate firmware updates from Tenda to address the stack overflow flaw in the fromAddressNat function. Network administrators should implement network segmentation and access controls to limit exposure of affected devices, while also monitoring for suspicious traffic patterns that might indicate exploitation attempts. The implementation of web application firewalls and input validation controls can help detect and prevent malicious parameter injection attempts. Additionally, regular security assessments of network infrastructure should include vulnerability scanning for similar stack overflow conditions in other network devices, as the same architectural flaws may exist in other firmware components. Organizations should also consider implementing network monitoring solutions that can detect anomalous behavior patterns consistent with exploitation attempts against known vulnerabilities such as those catalogued in the NVD and CVE databases.