Insufficiently Protected Credentials Vulnerability in Schneider Electric Products
CVE-2026-81861

5.9MEDIUM

Key Information:

Vendor

Schneider Electric
Status
Scadapack 47x
Scadapack 47xi
Scadapack 47xd
Scadapack 470r
Vendor
CVE Published:
11 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-81861?

A vulnerability exists within Schneider Electric's RTU functionality, exposing authentication information due to insufficiently protected credentials. This could allow unauthorized users to gain access and control over the affected systems, potentially compromising security and operational integrity.

Affected Version(s)

SCADAPack 32 All versions

SCADAPack 3xx All versions

SCADAPack 470R All versions

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

scadapack-secure-lock-poc
Created by abhinavagarwal07

References

https://download.se.com/files?p_Doc_Ref=SEVD-2026-251-03&...

CVSS V4

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.