Critical severity9.8NVD Advisory· Published Aug 20, 2020· Updated Jun 17, 2026
CVE-2020-15636
CVE-2020-15636
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.
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Affected products
3- Range: 1.0.4.84_10.0.58
- NETGEAR/Multiple Routersv5Range: 1.0.4.84_10.0.58
Patches
Vulnerability mechanics
References
2- kb.netgear.com/000062128/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-R6700v3-PSV-2020-0224nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-20-937/nvdThird Party AdvisoryVDB Entry
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