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 handling of SOAP requests. When parsing the SOAPAction header, the process does not properly validate the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15692.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | R6400 Firmware | < 1.0.1.78 |
| Netgear | R6400 | - |
| Netgear | R6700 Firmware | < 1.0.4.126 |
| Netgear | R6700 | v3 |
| Netgear | R6900P Firmware | < 1.3.3.148 |
| Netgear | R6900P | - |
| Netgear | R7000 Firmware | < 1.0.11.134 |
| Netgear | R7000 | - |
| Netgear | R7000P Firmware | < 1.3.3.148 |
| Netgear | R7000P | - |
| Netgear | R7850 Firmware | < 1.0.5.84 |
| Netgear | R7850 | - |
| Netgear | R7900P Firmware | < 1.4.3.88 |
| Netgear | R7900P | - |
| Netgear | R7960P Firmware | < 1.4.3.88 |
| Netgear | R7960P | - |
| Netgear | R8000 Firmware | < 1.0.4.84 |
| Netgear | R8000 | - |
| Netgear | R8000P Firmware | < 1.4.3.88 |
| Netgear | R8000P | - |
Related Weaknesses (CWE)
References
- https://kb.netgear.com/000064720/Security-Advisory-for-Pre-Authentication-BufferVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-519/Third Party AdvisoryVDB Entry
- https://kb.netgear.com/000064720/Security-Advisory-for-Pre-Authentication-BufferVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-519/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-27643?
CVE-2022-27643 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-2022-27643?
CVE-2022-27643 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-2022-27643?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear R6400 Firmware, Netgear R6400, Netgear R6700 Firmware, Netgear R6700, Netgear R6900P Firmware.