CVE-2023-43820
A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wLogTitlesPrevValueLen field of a DPS file.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the wLogTitlesPrevValueLen field of a DPS file. A remote, unauthenticated attacker can exploit this vulnerability by enticing a user to open a specially crafted DPS file to achieve remote code execution.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.99% probability · 62th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- deltaww/dopsoft
- Source
- disclosures@exodusintel.com
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://blog.exodusintel.com/2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wlogtitlesprevvaluelen-buffer-overflow-remote-code-execution/Third Party Advisory
- https://blog.exodusintel.com/2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wlogtitlesprevvaluelen-buffer-overflow-remote-code-execution/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.