EUVD-2026-82796
GHSA-wprf-f59w-2hpp
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Network-reachable and unauthenticated (AV:N/PR:N) but requires sustained brute-forcing to defeat a throttling control (AC:H); only limited file read, so C:L and I/A:N.
Primary rating from Vendor (synology).
CVSS VectorVendor: synology
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Information disclosure in Synology DiskStation Manager (DSM) lets unauthenticated remote attackers read a limited set of files by overwhelming the built-in Auto Block brute-force protection with sustained authentication attempts. The root cause is an improper restriction of excessive authentication attempts (CWE-307), and exploitation is technically difficult (CVSS 3.7, AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) with the payoff confined to low-confidentiality reads and no write or denial-of-service capability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires that the Auto Block brute-force protection feature be the operative control on a network-reachable DSM authentication endpoint; the attacker exploits its insufficient restriction of repeated attempts. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuinely low-priority finding despite being remotely reachable and unauthenticated. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patch: upgrade DSM to 7.2.1-69057-10, 7.2.2-72806-7, or 7.3.2-86009-2 (or later) according to your branch, per Synology advisory SA_26_06 at https://www.synology.com/en-global/security/advisory/Synology_SA_26_06. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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