CVE-2021-34978

Published: Jan 13, 2022Modified: Nov 21, 2024

8.8

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: Netgear: R6260 Firmware

1 product

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear R6260 Firmware	Version 1.1.0.78_1.0.1

Running on/with	Platform Versions
Netgear R6260	All versions

Related CWEs

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

https://kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170?article=000064258

Source: zdi-disclosures@trendmicro.com

Vendor Advisory

https://www.zerodayinitiative.com/advisories/ZDI-21-1240/

Source: zdi-disclosures@trendmicro.com

Third Party AdvisoryVDB Entry

https://kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170?article=000064258

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.zerodayinitiative.com/advisories/ZDI-21-1240/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

Timeline

No history available yet.