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CVE-2025-66592: active backup for business agent before 3.1.0-4967 (exclusive); +1 more affected products
CVE-2025-66592. CVSS 3.1 base score 5.6 (MEDIUM, NVD). EPSS 0.00086 (percentile 0.00294), scored 2026-10-05.
Affected technology
active backup for business agent · before 3.1.0-4967 (exclusive)
synology
Synology Active Backup for Business Agent · * to before 3.1.0-4967
Synology
Description’s affected range: before 3.1.0-4967
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · User interaction required
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · User interaction required
What an attacker can do
Local users can write arbitrary files with restricted content and conduct denial-of-service during installation. Vendor/CNA’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality impact as none; integrity impact as low; availability impact as high. NVD’s CVSS 3.1 assessment (base score 5.6/10) rates confidentiality impact as none; integrity impact as low; availability impact as high.
- CWE
- CWE-346
- CCR priority
- 22.4 /100 (P4)
- CVSS 3.1
- 5.6 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H · NVD
- EPSS
- 0.00086 · percentile 0.0029 · 2026-10-06
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-07 11:53:15.413517+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-07 11:49:32.540646+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-66592.html