CVE-2024-53285 Cross-site scripting in Synology Router Manager (SRM)

Medium 5.9 Published 9 Dec 2024 Updated 1 Aug 2025

Authenticated administrators can inject scripts in DDNS records to read/write files or cause denial of service in Synology Router Manager.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-53285?

CVE-2024-53285 is a medium-severity cross-site scripting vulnerability in Synology Router Manager, published on 9 Dec 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

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 read or write specific files containing non-sensitive information and conduct limited denial-of-service attacks by injecting arbitrary web script or HTML.

Weakness: CWE-79

Which versions are affected by CVE-2024-53285?

It affects 1 product.

Products include Synology Router Manager.

How do I fix CVE-2024-53285?

No fix has been published for CVE-2024-53285 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-53285 being exploited?

There is no known exploitation of CVE-2024-53285 in the wild and no public exploit code.

All Synology Router Manager vulnerabilities

Sources

Also known as GHSA-73xm-gvm5-fvj6.