Incorrect calculation of buffer size on the stack in AS320T

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Summary

CVECVE-2026-1949
StatePUBLISHED
AssignerDeltaww
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-24 06:16:03 UTC
Updated2026-04-24 06:16:03 UTC
DescriptionDelta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from 759f5e80-c8e1-4224-bead-956d7b33c98b

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

Problem Types: CWE-131 | CWE-131 CWE-131 Incorrect Calculation of Buffer Size

VersionSourceTypeScoreSeverityVector
3.1759f5e80-c8e1-4224-bead-956d7b33c98bSecondary9.8CRITICALCVSS: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 DeltaWW AS320T affected 1.14 custom Not specified

References

ReferenceSourceLinkTags
filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00006_AS320T%20Multiple%20v... 759f5e80-c8e1-4224-bead-956d7b33c98b filecenter.deltaww.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: Sergey Fedonin and Ivan Kurnakov (Positive Technologies) (en)

Additional Advisory Data

Solutions

CNA: Upgrade firmware to v1.16 or later

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