PT-2021-4630 · NetGear · Netgear R7450+16

D4Rkn3Ss

+2

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Published

2021-10-13

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Updated

2022-01-19

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CVE-2021-34979

CVSS v3.1

8.8

High

VectorAV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions NETGEAR R6260 version 1.1.0.78 1.0.1 NETGEAR AC2100, AC2400, AC2600, R6020, R6080, R6120, R6330, R6350, R6700v2, R6800, R6850, R6900v2, R7200, R7350, R7400, R7450 (affected versions not specified)
Description This issue allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR routers. Authentication is not required to exploit this issue. The specific flaw exists within the handling of SOAP requests, specifically when parsing the SOAPAction header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this issue to execute code in the context of root.
Recommendations For NETGEAR R6260 version 1.1.0.78 1.0.1, consider disabling the mini httpd service until a patch is available. For NETGEAR AC2100, AC2400, AC2600, R6020, R6080, R6120, R6330, R6350, R6700v2, R6800, R6850, R6900v2, R7200, R7350, R7400, R7450, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Buffer Overflow

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Weakness Enumeration

Related Identifiers

BDU:2021-05319
CVE-2021-34979
ZDI-21-1241

Affected Products

Netgear Ac2100
Netgear Ac2400
Netgear Ac2600
Netgear R6020
Netgear R6080
Netgear R6120
Netgear R6260
Netgear R6330
Netgear R6350
Netgear R6700V2
Netgear R6800
Netgear R6850
Netgear R6900V2
Netgear R7200
Netgear R7350
Netgear R7400
Netgear R7450