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Rewterz Threat Advisory – Multiple NETGEAR R7800 Security Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-27257

NETGEAR R7800 devices could allow a remote attacker to execute arbitrary code on the system, caused by improper validation of the certificate presented by the server. By sending a specially-crafted request, an attacker could exploit this vulnerability to download files via FTP and execute arbitrary code in the context of root.

CVE-2021-27256

NETGEAR R7800 devices could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in the handling of the rc_service parameter provided to apply_save.cgi. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code in the context of root.

Impact

Gain Access

Affected Vendors

NETGEAR

Affected Products

NETGEAR R7800 1.0.2

Remediation

Refer to NETGEAR Security Advisory for patch, upgrade or suggested workaround information.

NETGEAR Security Advisory: 000062883