CVE-2020-15636: NETGEAR Multiple Routers check_ra Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and XR300 routers with firmware 1.0.4.8410.0.58. Authentication is not required to exploit this vulnerability. The specific flaw exists within the checkra service. A crafted raePolicyVersion in a RAEPolicy.json file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9852.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and XR300 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the checkra service. A crafted raePolicyVersion in a RAEPolicy.json file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-15636?
CVE-2020-15636 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and XR300 routers with firmware 1.0.4.84_10.0.58.
How severe is CVE-2020-15636?
CVE-2020-15636 has a severity rating of 9.8 (Critical).
Do I need authentication to exploit CVE-2020-15636?
No, authentication is not required to exploit CVE-2020-15636.
What is the affected software?
The affected software includes NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and XR300 routers with firmware 1.0.4.84_10.0.58.
How can I fix CVE-2020-15636?
To fix CVE-2020-15636, apply the firmware update provided by NETGEAR.