CVE-2025-29047 in WiFi CampPro
Summary
by MITRE • 04/17/2025
Buffer Overflow vulnerability inALFA WiFi CampPro router ALFA_CAMPRO-co-2.29 allows a remote attacker to execute arbitrary code via the hiddenIndex in the function StorageEditUser
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Analysis
by VulDB Data Team • 04/17/2025
This buffer overflow vulnerability exists within the ALFA WiFi CampPro router model ALFA_CAMPRO-co-2.29 firmware version, representing a critical security flaw that enables remote code execution through improper input validation. The vulnerability specifically manifests in the StorageEditUser function where the hiddenIndex parameter is processed without adequate bounds checking, creating an exploitable condition that can be leveraged by remote attackers to inject and execute malicious code on the affected device. The flaw stems from insufficient validation of user-supplied input parameters, allowing an attacker to overflow a fixed-size buffer and overwrite adjacent memory locations including return addresses and executable code segments. This type of vulnerability falls under the CWE-121 buffer overflow category, which is classified as a fundamental memory safety issue that has been consistently identified as one of the most dangerous software flaws due to its potential for arbitrary code execution. The attack vector requires remote access to the router's web interface or management functions, making it particularly concerning as it can be exploited from outside the local network without requiring physical access or prior authentication. The impact of this vulnerability extends beyond simple code execution, as it can enable complete compromise of the router's operational environment, potentially allowing attackers to modify network configurations, redirect traffic, or establish persistent backdoors for further exploitation. The affected firmware version suggests this vulnerability may be widespread among deployed units, increasing the potential attack surface and making it a high-priority target for exploitation by threat actors. The presence of this flaw in a network infrastructure device like a WiFi router creates a significant risk for organizations and individuals, as it can serve as a gateway for broader network infiltration and lateral movement attacks. From an operational perspective, the vulnerability's remote exploitability means that attackers can target devices without requiring physical presence or network access, making it particularly dangerous for enterprise environments where network segmentation may not be properly implemented. The attack can be executed through standard web-based protocols and HTTP requests, making it accessible to attackers with minimal technical expertise. This vulnerability aligns with ATT&CK technique T1059.007 for command and script interpreter, as the successful exploitation would allow attackers to execute arbitrary commands on the affected system, potentially leading to full system compromise and persistent access. The exploitation of such buffer overflow conditions typically follows a pattern where attackers first identify the vulnerable function and then craft malicious input to overwrite the instruction pointer, redirecting execution flow to malicious code injected into the buffer. Organizations should immediately implement network segmentation to isolate affected devices and apply firmware updates from ALFA to remediate this vulnerability. The lack of proper input validation in the StorageEditUser function demonstrates a failure in secure coding practices and highlights the importance of implementing proper bounds checking and input sanitization mechanisms. This vulnerability also underscores the critical need for regular security assessments of network infrastructure devices, particularly those running outdated firmware versions that may contain known security flaws. The remote code execution capability makes this vulnerability particularly dangerous as it can be exploited by automated scanning tools, increasing the probability of successful exploitation across a wide range of potentially affected installations. Network administrators should monitor for suspicious network traffic patterns and implement intrusion detection systems to identify potential exploitation attempts targeting this specific vulnerability. The remediation process requires careful coordination with vendors to ensure firmware updates are properly deployed without disrupting network operations, as router firmware updates often require device rebooting and temporary network disruption.