CVE-2021-34980
8.8
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| NETGEAR | R6260 | 1.1.0.78_1.0.1 | affected |
Weaknesses
- CWE-121: CWE-121: Stack-based Buffer Overflow
ADP Enrichment
CVE Program Container
Additional References
- 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
References
- 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
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