CVE-2020-10923

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 84.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-28 · updated 2026-06-17
Weakness: CWE-305

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000. A crafted UPnP message can be used to bypass authentication. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-9642.

Affected products

NETGEAR R6700: 1.0.4.84_10.0.58

References

https://www.zerodayinitiative.com/advisories/ZDI-20-703/
https://www.zerodayinitiative.com/advisories/ZDI-20-703/

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