CVE-2024-53285 in Router Manager
Summary
by MITRE • 12/09/2024
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in DDNS Record 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 specifically targets the dynamic dns record functionality within Synology Router Manager software. The issue stems from inadequate input sanitization during web page generation processes, where user-supplied data is not properly escaped or validated before being rendered in web interfaces. This weakness exists in versions prior to 1.3.1-9346-10 of the SRM component, creating a persistent security gap that could be exploited by malicious actors with administrative access. The vulnerability classification aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities through improper neutralization of input data. Attackers leveraging this flaw can execute arbitrary scripts within the context of authenticated administrator sessions, potentially leading to complete system compromise and unauthorized access to network infrastructure.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to manipulate the router management interface in ways that could compromise network security. An authenticated administrator with sufficient privileges can inject malicious code into the DDNS record fields, which then gets executed whenever other administrators view these records through the web interface. This creates a persistent threat vector where the injected code can perform actions such as stealing session cookies, redirecting users to malicious sites, or even executing commands on the underlying system. The attack surface is particularly concerning because router management interfaces typically contain sensitive configuration data and administrative controls that could be leveraged for further network exploitation.
From a threat modeling perspective, this vulnerability maps directly to ATT&CK technique T1566 which covers social engineering tactics involving credential access through malicious web content. The requirement for administrator privileges limits the attack scope but does not eliminate the severity, as compromising administrative credentials often provides attackers with extensive network control. The vulnerability demonstrates a failure in input validation and output encoding practices that should be implemented as part of secure coding standards. Organizations using Synology Router Manager should immediately upgrade to version 1.3.1-9346-10 or later to mitigate this risk, as the patch addresses the root cause by implementing proper input sanitization and output encoding mechanisms. Additionally, network segmentation and monitoring of administrative access logs can help detect potential exploitation attempts, while regular security audits should verify that similar input validation issues do not exist in other components of the router management system. The vulnerability serves as a reminder of the critical importance of implementing defense-in-depth strategies, particularly for network infrastructure management interfaces where privilege escalation risks are highest.