CVE-2025-44848 in CA600-PoE
Summary
by MITRE • 05/01/2025
TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the msg_process function via the Url parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
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Analysis
by VulDB Data Team • 05/25/2025
The vulnerability identified as CVE-2025-44848 affects the TOTOLINK CA600-PoE V5.3c.6665_B20180820 device firmware, representing a critical command injection flaw within the msg_process function. This vulnerability specifically manifests through improper input validation of the Url parameter, creating a pathway for malicious actors to execute arbitrary commands on the affected system. The flaw exists in the web interface handling mechanism where user-supplied URL data is not adequately sanitized or escaped before being processed by the underlying system commands. This represents a fundamental breakdown in input validation practices and demonstrates poor secure coding principles that have been documented in various cybersecurity frameworks including CWE-77 and CWE-94, which specifically address command injection vulnerabilities and improper input sanitization.
The operational impact of this vulnerability extends beyond simple unauthorized command execution, as it provides attackers with potential full system compromise capabilities. An attacker who successfully exploits this vulnerability can gain persistent access to the device, potentially enabling them to modify network configurations, install malicious software, or establish backdoors for future access. The vulnerability's presence in the web interface component means that exploitation can occur through standard network traffic without requiring physical access or specialized equipment. This aligns with ATT&CK technique T1059.001 for command and scripting interpreter and T1071.004 for application layer protocol, as attackers can leverage the web interface to execute commands through the URL parameter. The device's PoE functionality adds additional risk as attackers could potentially disrupt network services or gain access to connected network devices through the compromised router.
Mitigation strategies for this vulnerability should focus on immediate firmware updates from the vendor, which would contain patches addressing the input validation issues in the msg_process function. Network segmentation and firewall rules should be implemented to restrict access to the device's web interface to only trusted administrative networks. Additional protective measures include implementing web application firewalls to monitor and filter incoming requests, disabling unnecessary services and ports, and conducting regular network scans to identify unauthorized access attempts. Security monitoring should be enhanced to detect unusual command execution patterns or unauthorized configuration changes. Organizations should also implement principle of least privilege access controls, ensuring that only authorized personnel have access to administrative functions. The vulnerability demonstrates the importance of input validation and output encoding as outlined in OWASP Top Ten and ISO 27001 security controls, emphasizing that proper sanitization of user inputs is critical for preventing command injection attacks. Regular security assessments and vulnerability scanning should be conducted to identify similar flaws in other network infrastructure components, as this vulnerability type remains prevalent in embedded systems and network devices due to insufficient security testing during development phases.