PT-2021-4629 · NetGear · Netgear R7450+20
D4Rkn3Ss
+2
·
Published
2021-10-13
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Updated
2022-01-20
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CVE-2021-34978
CVSS v3.1
8.8
High
| Vector | AV: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, D7000, R6020, R6080, R6120, R6220, R6230, R6350, R6330, R6700v2, R6800, R6850, R6900v2, R7200, R7350, R7400, R7450, WAC124 (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 setupwizard.cgi page. A crafted SOAP request can trigger an overflow of a fixed-length stack-based 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 access to the setupwizard.cgi page until a patch is available.
For NETGEAR AC2100, AC2400, AC2600, D7000, R6020, R6080, R6120, R6220, R6230, R6350, R6330, R6700v2, R6800, R6850, R6900v2, R7200, R7350, R7400, R7450, WAC124, restrict access to the setupwizard.cgi page to minimize the risk of exploitation.
As a temporary workaround, consider blocking crafted SOAP requests to the setupwizard.cgi page until a patch is available.
At the moment, there is no information about a newer version that contains a fix for this issue.
Fix
Stack Overflow
Memory Corruption
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Related Identifiers
Affected Products
Netgear Ac2100
Netgear Ac2400
Netgear Ac2600
Netgear R7000
Netgear R6020
Netgear R6080
Netgear R6120
Netgear R6220
Netgear R6230
Netgear R6260
Netgear R6330
Netgear R6350
Netgear R6700V2
Netgear R6800
Netgear R6850
Netgear R6900V2
Netgear R7200
Netgear R7350
Netgear R7400
Netgear R7450
Netgear Wac124