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CVE-2021-34977

HIGH
8.8
CVSS Score
Published: January 13, 2022 at 09:44 PM UTC
Updated: June 17, 2026 at 03:56 AM UTC
2 products affected across 1 vendorR7000 FirmwareNETGEAR R7000

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Severity
HIGH8.8
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

R7000 Firmware· NETGEAR
95%
1.0.11.116_10.2.100
netgear-r7000 (same device)
NETGEAR R7000· NETGEARdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-21-1239/

CVSS

8.8HIGH[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-288CWE-287

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