medium6.5
CVE-2021-27257
This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R7800 firmware …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Netgear | Br200 Firmware | before 5.10.0.5 |
| Netgear | Br500 Firmware | before 5.10.0.5 |
| Netgear | D7800 Firmware | before 1.0.1.60 |
| Netgear | Ex6100v2 Firmware | before 1.0.1.98 |
| Netgear | Ex6150v2 Firmware | before 1.0.1.98 |
| Netgear | Ex6250 Firmware | before 1.0.0.134 |
| Netgear | Ex6400 Firmware | before 1.0.2.158 |
| Netgear | Ex6400v2 Firmware | before 1.0.0.134 |
| Netgear | Ex6410 Firmware | before 1.0.0.134 |
| Netgear | Ex6420 Firmware | before 1.0.0.134 |
| Netgear | Ex7300 Firmware | before 1.0.2.158 |
| Netgear | Ex7300v2 Firmware | before 1.0.0.134 |
Weakness classification
References
- NVD record
- CVE.org record
- https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders
- https://www.zerodayinitiative.com/advisories/ZDI-21-264/
- https://kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders
- https://www.zerodayinitiative.com/advisories/ZDI-21-264/