libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 has a tagged binary data JSON serialization vulnerability that may cause a stack based buffer overflow.Referenceshttps://github.com/openwrt/openwrt/commits/masterhttps://openwrt.org/advisory/2020-01-31-2https://openwrt.org/advisory/2020-01-31-2https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438
