SSA-055299

Vulnerability from csaf_siemens - Published: 2026-10-13 00:00 - Updated: 2026-10-13 00:00
Summary
SSA-055299: Out-of-bounds Read Vulnerability in Capital Embedded AR Classic
Notes
Summary: The products listed below contain an out-of-bounds read vulnerability that could allow an attacker to cause abnormal product behavior, instability, or denial of service. Siemens has released a new version for Capital Embedded AR Classic R20-11 and recommends updating to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
General Recommendations: As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity
Additional Resources: For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use: The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
CVE-2026-89208

The affected product does not properly validate input bounds before accessing packet data. This could allow an unauthenticated remote attacker to trigger memory reads outside the intended packet boundaries.

5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-125 - Out-of-bounds Read
Affected products
Product Identifier Version Remediation
Capital Embedded AR Classic 431-422
Siemens / Capital Embedded AR Classic 431-422
 vers:all/*
Mitigation
No Fix Planned
Capital Embedded AR Classic R20-11 < V2303
Siemens / Capital Embedded AR Classic R20-11
 vers:intdot/<2303
Mitigation
Vendor Fix
References
To clipboard 

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        "title": "Summary"
      },
      {
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        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
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          "category": "description",
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          "title": "CVE Description"
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      "title": "CVE-2026-89208"
    }
  ]
}



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