CVE-2023-43820Network attack vector

Code execution via wLogTitlesPrevValueLen stack overflow

Published Jan 18, 2024 · Updated Aug 29, 2024

Stack-based 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 overflows a stack buffer while processing the wLogTitlesPrevValueLen field; further implementation detail is not public. Exploitation requires an unauthenticated remote attacker to persuade a user to open the file, after which code runs in the application's context.

CVSS severity8.8
High
EPSS probability0.99%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based 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 overflows a stack buffer while processing the wLogTitlesPrevValueLen field; further implementation detail is not public. Exploitation requires an unauthenticated remote attacker to persuade a user to open the file, after which code runs in the application's context.

The record

CVE
CVE-2023-43820
Published
Jan 18, 2024
Updated
Aug 29, 2024
Vendor
Delta Electronics, Inc.
Product
DOPSoft
Classifications
CWE-120, CWE-119, CAPEC-100, T1204.002, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 2024Record 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
7.8NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8Exodus IntelligenceCVSS:3.1/AV:N/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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC-100Overflow Buffers
T1204.002User Execution: Malicious File
T1203Exploitation for Client Execution

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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