Description
This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via FTP. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-12362.
References (2)
Core 2
Core References
Patch, Vendor Advisory x_refsource_misc
https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-264/
Scores
CVSS v3
6.5
EPSS
0.0006
EPSS Percentile
17.7%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-295
Status
published
Products (43)
netgear/br200_firmware
< 5.10.0.5
netgear/br500_firmware
< 5.10.0.5
netgear/d7800_firmware
< 1.0.1.60
netgear/ex6100v2_firmware
< 1.0.1.98
netgear/ex6150v2_firmware
< 1.0.1.98
netgear/ex6250_firmware
< 1.0.0.134
netgear/ex6400_firmware
< 1.0.2.158
netgear/ex6400v2_firmware
< 1.0.0.134
netgear/ex6410_firmware
< 1.0.0.134
netgear/ex6420_firmware
< 1.0.0.134
... and 33 more
Published
Mar 05, 2021
Tracked Since
Feb 18, 2026