SSA-828211: Denial of Service Vulnerability in SIMATIC S7-PLCSIM Advanced
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 not yet available.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-54429US | — | — | ||
A vulnerability has been identified in SIMATIC S7-PLCSIM Advanced (All versions). Affected devices do not properly handle high-volume multicast network traffic, which can exhaust a… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
Behebungen (2)
- MitigationSIMATIC S7-PLCSIM Advanced
Disable the S7-PLCSIM Virtual Switch binding on the network adapter used by the affected instance. This prevents the adapter from entering an external communication mode and removes the attack vector entirely. (see SIMATIC S7-PLCSIM Advanced Function Manual V8.0, 11/2025 Section 5.3 and Section 6.1.2.3; and SIMATIC S7-PLCSIM Advanced Function Manual API V8.0, 11/2025 Section 7.2)
- Kein Fix verfügbarSIMATIC S7-PLCSIM Advanced
Currently no fix is available
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