Buffer overflow in Contec Co., Ltd. Programmable Remote I/o Coupler Unit (Software Plc Type) Cpsn-Pcb271-S1-041
CVE-2026-82782
Out-of-bounds write vulnerability exists in CONPROSYS nano Series. Receiving a specially crafted request created and sent by a remote attacker may cause a denial-of-service (DoS) condition.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (19.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-82782?
- CVE-2026-82782 is a medium-severity vulnerability in Contec Co., Ltd. Programmable Remote I/o Coupler Unit (Software Plc Type) Cpsn-Pcb271-S1-041, classified under Out-of-bounds Write. CVSS score: 4.3/10. Published 2026-09-14.
- How severe is CVE-2026-82782?
- Medium severity. CVSS v3 base score is 4.3 out of 10.