PatchSiren

PatchSiren cyber security CVE debrief

CVE-2024-26988 Siemens CVE debrief

A memory overflow vulnerability in the Linux kernel's init/main.c static_command_line handling has been identified and resolved. The flaw could allow a local attacker with low privileges to cause a denial of service condition. Siemens has confirmed this vulnerability affects multiple industrial networking product families including RUGGEDCOM RST2428P and SCALANCE series devices running SINEC OS. The vulnerability was published on August 12, 2025, with subsequent advisory updates through February 25, 2026, including corrections to affected product lists and removal of rejected CVEs.

Vendor
Siemens
Product
RUGGEDCOM RST2428P (6GK6242-6PA00)
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2025-08-12
Original CVE updated
2026-02-25
Advisory published
2025-08-12
Advisory updated
2026-02-25

Who should care

Organizations operating Siemens industrial networking infrastructure including manufacturing facilities, critical infrastructure operators, and enterprises deploying SCALANCE switches or RUGGEDCOM devices in industrial control system environments.

Technical summary

The vulnerability exists in init/main.c where static_command_line memory handling could overflow. A local attacker with low privileges could exploit this to cause system instability or denial of service. The CVSS 3.1 score of 5.5 (MEDIUM) reflects the local attack vector and high availability impact with no confidentiality or integrity effects. Affected products include Siemens RUGGEDCOM RST2428P (6GK6242-6PA00), SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family, and SCALANCE XCM-/XRM-/XCH-/XRH-300 family running SINEC OS versions prior to 3.1.

Defensive priority

medium

Recommended defensive actions

  • Apply vendor-provided update to SINEC OS V3.1 or later version for affected SCALANCE and RUGGEDCOM products
  • Review Siemens ProductCERT advisory SSA-613116 for specific product update guidance
  • Implement defense-in-depth strategies for industrial control systems per CISA recommended practices
  • Monitor for anomalous local access attempts on affected industrial networking devices
  • Validate boot command line configurations are from trusted sources

Evidence notes

Vulnerability description sourced from CISA CSAF advisory ICSA-25-226-15 and Siemens ProductCERT SSA-613116. CVSS 3.1 vector AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H indicates local attack vector with low attack complexity and low privileges required, resulting in high availability impact. Vendor fix available requiring update to SINEC OS V3.1 or later.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-26988 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-26988

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-26988 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-26988

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-226-15.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-613116.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-613116.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-226-15

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.