CVE-2026-82782: contec co., ltd. programmable remote i/o coupler unit (software plc type) cpsn-pcb271-s1-041 Out-of-bounds Write
CVSS: 5.3v4.0MediumDeferred
Published 14-09-2026Last modified 14-09-2026
Vulnerability summary
CVE-2026-82782 is a medium (CVSS 5.3) Out-of-bounds Write vulnerability in contec co., ltd. programmable remote i/o coupler unit (software plc type) cpsn-pcb271-s1-041. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.4% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)EPSS score
0.46%
0%100%
Low · +0.19 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-09-2026PublishedVulnerability first disclosed.
- 14-09-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 2 sources · 2 versionsMedium 5.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Medium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
+0.19 pp
From 0.27% on 21-09-2026
21-09-202621-10-2026
EPSS score0.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 3 products