ZDI-20-937: 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. Authentication is not required to exploit this vulnerability. The specific flaw exists within the check_ra service. A crafted raePolicyVersion in a RAE_Policy.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 | Affected Version | How to fix |
|---|---|---|
| NETGEAR Multiple Devices |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-937?
The severity of ZDI-20-937 is critical due to its potential for remote code execution without authentication.
How do I fix ZDI-20-937?
To fix ZDI-20-937, update your NETGEAR router firmware to the latest version provided by the manufacturer.
Which routers are affected by ZDI-20-937?
ZDI-20-937 affects NETGEAR routers including R6400, R6700, R7000, R7850, R7900, R8000, RS400, and XR300.
Can ZDI-20-937 be exploited remotely?
Yes, ZDI-20-937 can be exploited remotely, allowing attackers to execute arbitrary code on affected routers.
Is authentication required to exploit ZDI-20-937?
No, authentication is not required to exploit ZDI-20-937, making it particularly dangerous.
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