Buffer Overflow Vulnerability in Synology BeeStation Manager
CVE-2025-12686

9.8CRITICAL

Key Information:

Vendor

Synology
Status
Beestation Manager (bsm)
Beestation Os
Vendor
CVE Published:
27 May 2026

What is CVE-2025-12686?

A buffer overflow vulnerability exists in the AdminCenter of Synology's BeeStation Manager, affecting versions before 1.3.2-65648. This flaw allows remote attackers to exploit the system, potentially leading to arbitrary code execution through various unspecified vectors. It is crucial for users of the affected software to apply necessary security updates promptly to mitigate the risks associated with this vulnerability.

Affected Version(s)

BeeStation Manager (BSM) 1.2

BeeStation Manager (BSM) 1.2 < 1.3.2-65648

BeeStation Manager (BSM) 1.1 < 1.3.2-65648

References

https://www.synology.com/en-global/security/advisory/Syno...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

@Tek_7987 & @_Anyfun (@Synacktiv)
.