CVE-2024-53279 in Router Manager
Summary
by MITRE • 12/09/2024
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in file station functionality in Synology Router Manager (SRM) before 1.3.1-9346-10 allows remote authenticated users with administrator privileges to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 08/04/2025
This vulnerability represents a classic cross-site scripting flaw that exists within the file station functionality of Synology Router Manager software. The issue manifests when the application fails to properly sanitize user input during web page generation processes, creating an avenue for malicious script injection. The vulnerability specifically affects versions prior to 1.3.1-9346-10 of the SRM software, indicating a targeted fix for this particular codebase. The attack vector requires an authenticated user with administrator privileges, which significantly reduces the attack surface but does not eliminate the risk entirely. This authentication requirement means that attackers must first compromise administrative credentials through other means before exploiting this vulnerability.
The technical flaw stems from insufficient input validation and output encoding mechanisms within the web application's rendering pipeline. When administrative users interact with the file station functionality, the application processes user-supplied data without adequate sanitization before incorporating it into dynamically generated web pages. This improper neutralization creates a persistent XSS vulnerability that allows attackers to inject malicious scripts into web responses. The unspecified vectors suggest that the vulnerability may manifest across multiple input points within the file station interface, potentially including file names, directory paths, or other user-controllable parameters. The vulnerability classification aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications.
The operational impact of this vulnerability is significant for organizations relying on Synology Router Manager for network management. An attacker with administrator access could execute arbitrary scripts within the context of other users' browsers, potentially leading to session hijacking, data theft, or further lateral movement within the network. The malicious scripts could access sensitive configuration data, modify network settings, or establish persistent backdoors through the compromised administrative interface. This vulnerability undermines the integrity of the administrative console and could compromise the entire network infrastructure managed through the router. The risk is particularly elevated in environments where administrators frequently interact with file station functionality, as this creates multiple opportunities for exploitation.
Mitigation strategies should prioritize immediate software updates to version 1.3.1-9346-10 or later, which contains the necessary patches for this vulnerability. Organizations should also implement network segmentation to limit administrative access and reduce the potential impact of credential compromise. Additional defensive measures include implementing web application firewalls to detect and block suspicious script injection attempts, conducting regular security assessments of administrative interfaces, and establishing robust credential management practices. The vulnerability demonstrates the importance of input validation and output encoding as fundamental security controls, aligning with ATT&CK technique T1566.001 for credential access through social engineering and T1071.004 for application layer protocol usage. Regular security monitoring and log analysis should be enhanced to detect anomalous administrative activities that might indicate exploitation attempts, as this vulnerability could enable persistent threats within the network infrastructure.