by Kastro
Paper/Archive/CVE-2025-12686

CVE-2025-12686

Synology BeeStation OS — Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation OS before 1.3.…

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 86.3.863 × 2017.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
BeeStation OS1.3 – < 1.3.2-656481.3.2-65648CNA
BeeStation OS1.2 – < 1.3.2-656481.3.2-65648CNA
BeeStation OS1.1 – < 1.3.2-656481.3.2-65648CNA
BeeStation OS1.0 – < 1.3.2-656481.3.2-65648CNA

Scores by source

synology (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorysynology.com/en-global/security/advisory/Synology_SA_25_12