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Siemens SIMATIC S7-PLCSIM Advanced
<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-209-03.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>SIMATIC S7-PLCSIM Advanced contains a vulnerability that could allow an attacker to cause a denial of service condition. Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or no
MITRE ATT&CK techniques
- VulnerabilitiesT1588.006
Indicators of compromise
- CVE-2026-54429cve
- https://www.cve.org/CVERecord?id=CVE-2026-54429url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hurl
- https://www.siemens.com/cert/operational-guidelines-industrial-securityurl
- https://www.siemens.com/industrialsecurityurl
- https://www.siemens.com/cert/advisoriesurl
- https://www.siemens.com/productcert/terms-of-useurl
- 6.1.2.3ipv4
Original source: https://www.cisa.gov/news-events/ics-advisories/icsa-26-209-03
Same event, other sources
- Siemens SIMATIC S7-PLCSIM Advancedcisa_advisories · 2026-07-28