CVE-2021-34977

Published on: 01/13/2022 12:00:00 AM UTC

Last Modified on: 01/20/2022 02:46:00 PM UTC

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of R7000 from Netgear contain the following vulnerability:

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483.

  • CVE-2021-34977 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo NETGEAR - R7000 version 1.0.11.116_10.2.100

CVSS3 Score: 8.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
ADJACENT_NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 5.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
ADJACENT_NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
ZDI-21-1239 | Zero Day Initiative www.zerodayinitiative.com
text/html
URL Logo MISC www.zerodayinitiative.com/advisories/ZDI-21-1239/
Security Advisory for Authentication Bypass on Some Routers and DSL Modem Routers, PSV-2021-0134 | Answer | NETGEAR Support kb.netgear.com
text/html
URL Logo MISC kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareNetgearR7000-AllAllAll
Operating
System
NetgearR7000 Firmware1.0.11.116_10.2.100AllAllAll
  • cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netgear:r7000_firmware:1.0.11.116_10.2.100:*:*:*:*:*:*:*:

Discovery Credit

Xinan Zhou (the University of California, Riverside and Fudan University)

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-34977 : This vulnerability allows network-adjacent attackers to bypass authentication on affected installa… twitter.com/i/web/status/1… 2022-01-13 22:21:06
Reddit Logo Icon /r/netcve CVE-2021-34977 2022-01-13 23:38:59
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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