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Cisco Will Not Patch Critical RCE Flaw Affecting End-of-Life Business Routers

Cisco Systems does not plan to fix a critical security vulnerability affecting some of its Small Business routers. The bug, tracked as CVE-2021-1459, is rated with a CVSS score of 9.8 out of 10. The flaw stems from improper validation of user-supplied input in the web-based management interface. The company doesn’t intend to release a patch or make any workarounds available, citing that the products have reached end-of-life. Cisco has also released software updates to address multiple vulnerabilities in Cisco SD-WAN vManage Software.


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