XSS in Synology Router Manager

CVE-2024-53288

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in NTP Region functionality in Synology Router Manager (SRM) before 1.3.1-9346-11 allows remote authenticated users with administrator privileges to inject arbitrary web script or HTML via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (9.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-53288: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-53288?
CVE-2024-53288 is a medium-severity vulnerability in Synology Router Manager, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2025-07-23.
How severe is CVE-2024-53288?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2024-53288 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.