CVE-2025-12686

critical

Description

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

References

Advisories
References

https://www.synology.com/en-global/security/advisory/Synology_SA_25_12

https://www.bleepingcomputer.com/news/security/synology-fixes-beestation-zero-days-demoed-at-pwn2own-ireland/

Details

Source: Mitre, NVD

Published: 2026-05-27

Updated: 2026-06-05

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H