CVE-2026-40538CWE-307

CVE-2026-40538

Low · published September 18, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
30.0
In the wild
Unconfirmed
What it is

An improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to read limited files via brute-force attacks.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00372 · 30.0th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2026-09-18T13:16Z
References (1)
https://www.synology.com/en-global/security/advisory/Synology_SA_26_06 · [email protected]
EPSS history
Timeline
  • 19 SEP 03:52Z
    EPSS moved — → 0%
    epss
  • 18 SEP 08:29Z
    An improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10…
    cvelistv5