high8.8
CVE-2021-34980
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Netgear | R6260 Firmware | Version 1.1.0.78_1.0.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://kb.netgear.com/000064262/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-PSV-2021-0150?article=000064262
- https://www.zerodayinitiative.com/advisories/ZDI-21-1242/
- https://kb.netgear.com/000064262/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-PSV-2021-0150?article=000064262
- https://www.zerodayinitiative.com/advisories/ZDI-21-1242/