CVE-2021-27256 - CERT CVE
ID CVE-2021-27256
Sažetak This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the rc_service parameter provided to apply_save.cgi. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12355.
Reference
CVSS
Base: 8.3
Impact: 10.0
Exploitability:6.5
Pristup
VektorSloženostAutentikacija
ADJACENT_NETWORK LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
COMPLETE COMPLETE COMPLETE
CVSS vektor AV:A/AC:L/Au:N/C:C/I:C/A:C
Zadnje važnije ažuriranje 16-03-2021 - 19:35
Objavljeno 05-03-2021 - 20:15