# CVE-2025-12686

## Summary

- **CVE ID:** CVE-2025-12686
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-120
- **Published:** May 27, 2026
- **Last Modified:** May 27, 2026

## Description

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation Manager (BSM) before 1.3.2-65648 and Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors.

## Affected Products

- Synology — BeeStation Manager (BSM) (1.2)
- Synology — BeeStation Manager (BSM) (1.1)
- Synology — BeeStation Manager (BSM) (1.0)
- Synology — BeeStation Manager (BSM) (0)
- Synology — BeeStation OS (1.3)
- Synology — BeeStation OS (0)
- Synology — BeeStation OS (1.2)
- Synology — BeeStation OS (1.1)
- Synology — BeeStation OS (1.0)

## References

- [CNA](https://www.synology.com/en-global/security/advisory/Synology_SA_25_12)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.76%
- **EPSS Percentile:** 85.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._