---
id: CVE-2026-81861
title: >-
  CWE-522: Insufficiently Protected Credentials vulnerability that could result
  in exposure of authentication information and unauthorized access to RTU
  functionality.
summary: >-
  CWE-522: Insufficiently Protected Credentials vulnerability that could result
  in exposure of authentication information and unauthorized access to RTU
  functionality.
severity: medium
cvss: 5.9
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'
cwe:
  - CWE-522
vendor: Schneider Electric
product: SCADAPack 47x
affected:
  - scadapack_47x All versions
  - scadapack_47xi All versions
  - scadapack_47xd All versions
  - scadapack_470r All versions
  - scadapack_57x All versions
  - scadapack_3xx All versions
  - scadapack_32 All versions
published: '2026-09-11'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:30:42.730'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81861'
references:
  - url: >-
      https://download.se.com/files?p_Doc_Ref=SEVD-2026-251-03&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-251-03.pdf
    label: cybersecurity@se.com
tags:
  - nvd
  - exploit-available
  - cve.org
epss: 0.00543
epssPercentile: 0.43238
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/abhinavagarwal07/scadapack-secure-lock-poc'
  checkedAt: '2026-09-26T09:06:01.871Z'
exploitAvailable: true
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-11T19:13:51.210299Z'
cvssSource: cna
ingestedAt: '2026-09-14T00:35:28.534Z'
---

## Overview

CWE-522: Insufficiently Protected Credentials vulnerability that could result in exposure of authentication information and unauthorized access to RTU functionality.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.