CVE-2023-43817Network attack vector

Code execution via malformed wMailContentLen field

Published Jan 18, 2024 · Updated Jun 17, 2025

Buffer overflow in Delta Electronics DOPSoft 2.00.00.00 through 2.00.07.04 allows attackers to execute code via a crafted DPS file. The DPS parser mishandles the attacker-controlled wMailContentLen field while reading the project file, causing an out-of-bounds memory write. Exploitation requires a user to open the crafted file; successful code execution runs with the privileges of the DOPSoft process.

CVSS severity7.5
High
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Delta Electronics DOPSoft 2.00.00.00 through 2.00.07.04 allows attackers to execute code via a crafted DPS file. The DPS parser mishandles the attacker-controlled wMailContentLen field while reading the project file, causing an out-of-bounds memory write. Exploitation requires a user to open the crafted file; successful code execution runs with the privileges of the DOPSoft process.

The record

CVE
CVE-2023-43817
Published
Jan 18, 2024
Updated
Jun 17, 2025
Vendor
Delta Electronics, Inc.
Product
DOPSoft
Classifications
CWE-119, CWE-120, CAPEC-100, T1203, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=2.00.00.00 <=2.00.07.04

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Delta Electronics, Inc. · DOPSoftversion=2.00.00.00 <=2.00.07.04

Published CVSS scores

6.8Exodus IntelligenceAV:N/AC:M/Au:N/C:P/I:P/A:P
7.5Exodus IntelligenceCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC-100Overflow Buffers
T1203Exploitation for Client Execution
T1204.002Malicious File

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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