Fortinet Discovers Netgear R7800 Stack Buffer Overflow in CGI Handler
Fortinet's FortiGuard Labs has discovered multiple stack-based buffer overflows in Netgear routers.
Netgear is a global computer networking company based in San Jose, California, in the United States. It produces networking hardware for consumers, businesses, and service providers
There is stack based buffer overflow that can be triggered when the password recovery is enabled. The CGI handler does not perform boundary check on the attacker supplied input for the security questions which can eventually lead to stack buffer overflow
SolutionsFortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:
Released May 14, 2018
Users should apply the latest update from the vendor
Fortinet reported the vulnerability to Netgear on 14, May 2018
Netgear confirmed the vulnerability on 20, May 2018
Netgear released patch for the vulnerability on 07, September 2019
This vulnerability was discovered by Wayne Low of Fortinet's FortiGuard Labs.