Vulnerability Description
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 1.0.4.84_10.0.58. 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. Was ZDI-CAN-9852.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | R6700 Firmware | < 1.0.4.98 |
| Netgear | R6700 | v3 |
Related Weaknesses (CWE)
References
- https://kb.netgear.com/000062128/Security-Advisory-for-Pre-Authentication-Stack-Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-937/Third Party AdvisoryVDB Entry
- https://kb.netgear.com/000062128/Security-Advisory-for-Pre-Authentication-Stack-Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-937/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-15636?
CVE-2020-15636 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 1.0.4.84_10.0...
How severe is CVE-2020-15636?
CVE-2020-15636 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-15636?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear R6700 Firmware, Netgear R6700.