This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13313.
References
Link | Resource |
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https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955 | Vendor Advisory |
https://www.zerodayinitiative.com/advisories/ZDI-21-1051/ | Third Party Advisory VDB Entry |
Configurations
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History
27 Oct 2022, 11:53
Type | Values Removed | Values Added |
---|---|---|
CWE | CWE-697 |
01 Feb 2022, 15:46
Type | Values Removed | Values Added |
---|---|---|
First Time |
Netgear r6350 Firmware
Netgear r7200 Firmware Netgear d7000v1 Netgear r7400 Firmware Netgear r7400 Netgear r6220 Firmware Netgear d7000v1 Firmware Netgear r6850 Netgear r6230 Firmware Netgear r7450 Netgear Netgear r7350 Netgear r6800 Firmware Netgear r6800 Netgear r6900v2 Netgear r6350 Netgear ac2400 Netgear r6700v2 Firmware Netgear r6260 Firmware Netgear ac2100 Firmware Netgear r6330 Netgear r6850 Firmware Netgear r6260 Netgear r7350 Firmware Netgear ac2100 Netgear r6230 Netgear ac2400 Firmware Netgear ac2600 Firmware Netgear r6220 Netgear r7200 Netgear r6700v2 Netgear r6900v2 Firmware Netgear r7450 Firmware Netgear r6330 Firmware Netgear ac2600 |
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CPE | cpe:2.3:o:netgear:r7400_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:* cpe:2.3:h:netgear:r7400:-:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6350:-:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6350_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r7350_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:d7000v1:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6330_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6330:-:*:*:*:*:*:*:* cpe:2.3:h:netgear:r7200:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:d7000v1_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r7350:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r7200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6850:-:*:*:*:*:*:*:* cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:* cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:* |
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CVSS |
v2 : v3 : |
v2 : 8.3
v3 : 8.8 |
References | (MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1051/ - Third Party Advisory, VDB Entry | |
References | (MISC) https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955 - Vendor Advisory |
25 Jan 2022, 16:15
Type | Values Removed | Values Added |
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New CVE |
Information
Published : 2022-01-25 16:15
Updated : 2023-12-10 14:09
NVD link : CVE-2021-34865
Mitre link : CVE-2021-34865
CVE.ORG link : CVE-2021-34865
JSON object : View
Products Affected
netgear
- ac2100_firmware
- r6900v2_firmware
- r7400_firmware
- r6230_firmware
- r6350
- d7000v1_firmware
- ac2100
- ac2600_firmware
- r7350_firmware
- r6230
- r6850
- r6350_firmware
- r6330
- r6800_firmware
- r6220
- r6220_firmware
- r7200
- ac2400
- r7450
- r7400
- r6260_firmware
- r6700v2_firmware
- r6900v2
- r7350
- r6800
- ac2400_firmware
- r7450_firmware
- r6850_firmware
- ac2600
- r6700v2
- d7000v1
- r6260
- r6330_firmware
- r7200_firmware