CVE-2026-1952Network attack vector

Unauthenticated service interruption via undocumented subfunction

Published Apr 24, 2026 · Updated Apr 24, 2026

Denial of service in Delta Electronics AS320T 1.14 and earlier allows remote attackers to interrupt PLC operation over the network. The vendor attributes the condition to an undocumented subfunction but does not identify its protocol, request fields, or failure mode. No authentication or user interaction is required; the published description establishes service interruption only and does not report data access or modification.

CVSS severity7.5
High
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Delta Electronics AS320T 1.14 and earlier allows remote attackers to interrupt PLC operation over the network. The vendor attributes the condition to an undocumented subfunction but does not identify its protocol, request fields, or failure mode. No authentication or user interaction is required; the published description establishes service interruption only and does not report data access or modification.

The record

CVE
CVE-2026-1952
Published
Apr 24, 2026
Updated
Apr 24, 2026
Vendor
Delta Electronics, Inc.
Product
AS320T
Classifications
CWE-912, T0814
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.14

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Delta Electronics, Inc. · AS320Tversion=0 <=1.14

Published CVSS scores

9.8DeltaWWCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-912Hidden Functionality
T0814Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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