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Cisco Bug: CSCvs87875 - Evaluation of rv34x for Kr00k attack - CVE-2019-15126

Last Modified

Mar 25, 2020

Products (1)

  • Cisco Small Business RV Series Routers

Known Affected Releases

Description (partial)

On February 26th, 2020 security researchers disclosed a vulnerability in the implementation of the wireless egress packet processing of certain Wi-Fi chipsets manufactured by Broadcom and Cypress Semiconductor. This vulnerability could allow an unauthenticated, adjacent attacker to decrypt Wi-Fi frames without the knowledge of the Wireless Protected Access (WPA) or Wireless Protected Access 2 (WPA2) Pairwise Temporal Key (PTK) used to secure the Wi-Fi network. 

The vulnerability is known as Kr00k and is identified by the following Common Vulnerability and Exposures (CVE) ID: CVE-2019-15126

The product Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router embeds a wireless chipset affected by the vulnerability described above, Cisco has assessed the impact to the product and confirmed that is affected.

This advisory is available at the following link:

Please refer to the Security Advisory.
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