ICSA-23-320-05: Siemens SCALANCE W700

CISA's summary

Summary: The SCALANCE W700 devices are affected by Wi-Fi encryption bypass vulnerabilities ("Framing Frames") that could allow an attacker to disclose sensitive information, to steal the victims session or to execute denial-of-service attacks. Siemens recommends countermeasures for products where fixes are not, or not yet available.

Products, as the advisory lists them

DeSpy has not checked any unit, hardware revision or firmware.

Vulnerabilities in this advisory

• CVE-2024-30189 — CVE-2024-30189 · CWE-290

  This CVE refers to Scenario 1 "Leak frames from the Wi-Fi queue" of CVE-2022-47522. Affected devices queue frames in order to subsequently change the security context and leak the queued frames. This could allow a physically proximate attacker to intercept (possibly cleartext) target-destined frames.

• CVE-2024-30190 — CVE-2024-30190 · CWE-290

  This CVE refers to Scenario 2 "Abuse the queue for network disruptions" of CVE-2022-47522. Affected devices can be tricked into enabling its power-saving mechanisms for a victim client. This could allow a physically proximate attacker to execute disconnection and denial-of-service attacks.

• CVE-2024-30191 — CVE-2024-30191 · CWE-290

  This CVE refers to Scenario 3 "Override client’s security context" of CVE-2022-47522. Affected devices can be tricked into associating a newly negotiated, attacker-controlled, security context with frames belonging to a victim. This could allow a physically proximate attacker to decrypt frames meant for the victim.

Acknowledgments, as the advisory lists them

• Siemens ProductCERT: reporting these vulnerabilities to CISA.

The advisory's legal notice

Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.

Sources

• The advisory at cisa.gov
• The CSAF document (JSON)

DeSpy's copy of this version is dated 2026-09-28.