CVE-2024-45539CWE-787

CVE-2024-45539

High · published December 4, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
40.5
In the wild
Unconfirmed
What it is

⚡ A sneaky out-of-bounds write vulnerability lurks in Synology's DiskStation Manager! This flaw can lead to disruptive denial-of-service attacks. 🔥 Think of it like a hotel that overbooks rooms, leading to chaos when guests arrive. Instead of accommodating everyone, some find themselves locked out, unable to get in! This vulnerability could allow remote attackers to crash your system, leaving legitimate users high and dry. A denial-of-service attack could mean lost access to critical data or services, impacting your productivity and peace of mind.

Put simply

Think of it like a hotel that overbooks rooms, leading to chaos when guests arrive. Instead of accommodating everyone, some find themselves locked out, unable to get in! The out-of-bounds write vulnerability in the CGI components of Synology DSM and DSMUC permits unauthorized memory access, which can cause the application to crash or behave unexpectedly.

What to do

This vulnerability could allow remote attackers to crash your system, leaving legitimate users high and dry. A denial-of-service attack could mean lost access to critical data or services, impacting your productivity and peace of mind. To protect your systems, update Synology DSM to version 7.2.1-69057-2 or 7.2.2-72806, and if you're using DSMUC, make sure to upgrade to 3.1.4-23079 without delay. Regularly check for updates to stay on top of security. You've got this! Patch those systems and keep your data safe. 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00480 · 40.5th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2025-12-04T20:15Z
Affected products (3)
ProductVersionsFixed in
synology/diskstation_manager≥ 7.2.1-69057, < 7.2.1-69057-27.2.1-69057-2
synology/diskstation_manager≥ 7.2.2-72803, < 7.2.2-728067.2.2-72806
synology/diskstation_manager_unified_controller≥ 3.1-23028, < 3.1.4-230793.1.4-23079
References (1)
EPSS history
Timeline
  • 04 DEC 14:17Z
    Out-of-bounds write vulnerability in cgi components in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller…
    cvelistv5