CVE-2025-12686

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Summary

CVECVE-2025-12686
StatePUBLISHED
Assignersynology
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 09:16:26 UTC
Updated2026-05-27 17:16:27 UTC
DescriptionBuffer 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.002250000 probability, percentile 0.453120000 (date 2026-06-01)

Problem Types: CWE-120 | CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Synology BeeStation OS affected 1.3 1.3.2-65648 semver Not specified
CNA Synology BeeStation OS affected 1.2 1.3.2-65648 semver Not specified
CNA Synology BeeStation OS affected 1.1 1.3.2-65648 semver Not specified
CNA Synology BeeStation OS affected 1.0 1.3.2-65648 semver Not specified
CNA Synology BeeStation OS unknown 1.0 semver Not specified

References

ReferenceSourceLinkTags
www.synology.com/en-global/security/advisory/Synology_SA_25_12 [email protected] www.synology.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: @Tek_7987 & @_Anyfun (@Synacktiv) (en)

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