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Critical flaws found in four Cisco SMB router ranges – for the second time this year


Cisco has revealed four of its small business router ranges have critical flaws – for the second time in 2022 alone.

A Wednesday advisory warns owners of the RV160, RV260, RV340, and RV345 Series Routers that the vulnerabilities could allow "an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device."

The four ranges were whacked with three 10/10 bugs in February 2022.

This time around the worst of the bugs – CVE-2022-20842 – is rated 9.8/10 on the Common Vulnerability Scoring System (CVSS).

Exploitation of one vulnerability may be required to exploit another

Cisco says a vulnerability in the web-based management interface of the RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow execution of arbitrary code or cause an affected device to restart unexpectedly, resulting in a denial of service condition. "This vulnerability is due to ...


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