Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | Ac2100 Firmware | < 1.2.0.76 |
| Netgear | Ac2100 | - |
| Netgear | Ac2400 Firmware | < 1.2.0.76 |
| Netgear | Ac2400 | - |
| Netgear | Ac2600 Firmware | < 1.2.0.76 |
| Netgear | Ac2600 | - |
| Netgear | R6700 Firmware | < 1.2.0.76 |
| Netgear | R6700 | v2 |
| Netgear | R6800 Firmware | < 1.2.0.76 |
| Netgear | R6800 | - |
| Netgear | R6900 Firmware | < 1.2.0.76 |
| Netgear | R6900 | v2 |
| Netgear | R7200 Firmware | < 1.2.0.76 |
| Netgear | R7200 | - |
| Netgear | R7350 Firmware | < 1.2.0.76 |
| Netgear | R7350 | - |
| Netgear | R7400 Firmware | < 1.2.0.76 |
| Netgear | R7400 | - |
| Netgear | R7450 Firmware | < 1.2.0.76 |
| Netgear | R7450 | - |
Related Weaknesses (CWE)
References
- https://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-VulneraVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-071/Third Party AdvisoryVDB Entry
- https://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-VulneraVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-071/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-27872?
CVE-2020-27872 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 vulnerab...
How severe is CVE-2020-27872?
CVE-2020-27872 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27872?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear Ac2100 Firmware, Netgear Ac2100, Netgear Ac2400 Firmware, Netgear Ac2400, Netgear Ac2600 Firmware.