Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetUSB module. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15806.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | D7800 Firmware | < 1.0.1.68 |
| Netgear | D7800 | - |
| Netgear | Ex6200 Firmware | < 1.0.1.90 |
| Netgear | Ex6200 | v2 |
| Netgear | Ex8000 Firmware | < 1.0.1.240 |
| Netgear | Ex8000 | - |
| Netgear | R6220 Firmware | < 1.1.0.112 |
| Netgear | R6220 | - |
| Netgear | R6230 Firmware | < 1.1.0.112 |
| Netgear | R6230 | - |
| Netgear | R6400 Firmware | < 1.0.4.122 |
| Netgear | R6400 | v2 |
| Netgear | R6700 Firmware | < 1.0.4.122 |
| Netgear | R6700 | v3 |
| Netgear | R7000 Firmware | < 1.0.11.130 |
| Netgear | R7000 | - |
| Netgear | R7800 Firmware | < 1.0.2.90 |
| Netgear | R7800 | - |
Related Weaknesses (CWE)
References
- https://kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-BufferVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-544/Third Party AdvisoryVDB Entry
- https://kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-BufferVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-544/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-27641?
CVE-2022-27641 is a vulnerability with a CVSS score of 8.8 (HIGH). This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vu...
How severe is CVE-2022-27641?
CVE-2022-27641 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-2022-27641?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear D7800 Firmware, Netgear D7800, Netgear Ex6200 Firmware, Netgear Ex6200, Netgear Ex8000 Firmware.