CVE-2020-27872
High
Description
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7450 1.2.0.62_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from improper state tracking in the password recovery process. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-11365.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Netgear R7450 Firmware
PublishedFeb 4, 2021
First seenFeb 4, 2021
Weakness typeCWE-642CWE-642
How to fix
Update
- netgear r7450_firmware1.2.0.76 or later
- netgear ac2100_firmware1.2.0.76 or later
- netgear ac2400_firmware1.2.0.76 or later
- netgear ac2600_firmware1.2.0.76 or later
- netgear r6700_firmware1.2.0.76 or later
- netgear r6800_firmware1.2.0.76 or later
- netgear r6900_firmware1.2.0.76 or later
- netgear r7200_firmware1.2.0.76 or later
- netgear r7350_firmware1.2.0.76 or later
- netgear r7400_firmware1.2.0.76 or later
- netgear r6220_firmware1.1.0.104 or later
- netgear r6230_firmware1.1.0.104 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| netgear r7450_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear ac2100_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear ac2400_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear ac2600_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear r6700_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear r6800_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear r6900_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear r7200_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear r7350_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear r7400_firmware | v < 1.2.0.76 | 1.2.0.76 |
| netgear r6220_firmware | v < 1.1.0.104 | 1.1.0.104 |
| netgear r6230_firmware | v < 1.1.0.104 | 1.1.0.104 |
| netgear r6260_firmware | v < 1.1.0.78 | 1.1.0.78 |
| netgear r6330_firmware | v < 1.1.0.78 | 1.1.0.78 |
| netgear r6350_firmware | v < 1.1.0.78 | 1.1.0.78 |
| netgear r6850_firmware | v < 1.1.0.78 | 1.1.0.78 |
| netgear r6120_firmware | v < 1.0.0.76 | 1.0.0.76 |
| netgear r6020_firmware | v < 1.0.0.48 | 1.0.0.48 |
| netgear r6080_firmware | v < 1.0.0.48 | 1.0.0.48 |
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