CVE-2016-8377
A stack-based buffer overflow vulnerability exists when the software application connects to a malicious server, resulting in a stack buffer overflow.
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 8.9%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
An issue was discovered in Fatek Automation PLC WinProladder Version 3.11 Build 14701. A stack-based buffer overflow vulnerability exists when the software application connects to a malicious server, resulting in a stack buffer overflow. This causes an exploitable Structured Exception Handler (SEH) overwrite condition that may allow remote code execution.
- CVSS 3.1
- 8.0 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 8.91% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · first 13 September 2017
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- fatek/plc winproladder firmware
- Source
- ics-cert@hq.dhs.gov
EPSS 8.9% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/94938Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-350-01Third Party Advisory, US Government Resource
- https://www.exploit-db.com/exploits/42700/Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/94938Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-350-01Third Party Advisory, US Government Resource
- https://www.exploit-db.com/exploits/42700/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.