Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. When parsing the SOAP_LOGIN_TOKEN environment variable, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14107.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | R6260 Firmware | 1.1.0.78_1.0.1 |
| Netgear | R6260 | - |
Related Weaknesses (CWE)
References
- https://kb.netgear.com/000064262/Security-Advisory-for-Vertical-Privilege-EscalaVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1242/Third Party AdvisoryVDB Entry
- https://kb.netgear.com/000064262/Security-Advisory-for-Vertical-Privilege-EscalaVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1242/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2021-34980?
CVE-2021-34980 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 R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnera...
How severe is CVE-2021-34980?
CVE-2021-34980 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-2021-34980?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear R6260 Firmware, Netgear R6260.