Unrated severityNVD Advisory· Published Apr 14, 2021· Updated Aug 3, 2024

CVE-2021-27251

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12308.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Netgear/Nighthawk R7800llm-fuzzy
Netgear/R7800cpe-rescue
Range: 1.0.2.76

Patches

Vulnerability mechanics

References

kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extendersmitrex_refsource_MISC
www.zerodayinitiative.com/advisories/ZDI-21-247/mitrex_refsource_MISC

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