Unrated severityNVD Advisory· Published Jan 13, 2022· Updated Aug 4, 2024

CVE-2021-34978

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. A crafted SOAP request can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13511.

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Affected products

Netgear/R6260llm-fuzzy2 versions
= 1.1.0.78_1.0.1+ 1 more
- (no CPE)range: = 1.1.0.78_1.0.1
- (no CPE)range: 1.1.0.78_1.0.1

Patches

Vulnerability mechanics

References

kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170mitrex_refsource_MISC
www.zerodayinitiative.com/advisories/ZDI-21-1240/mitrex_refsource_MISC

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