CVE-2021-34977
mediumpriority · track · 35OT risk · elevatedEPSS 0.011 · 67 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (13)
Products and version ranges known to be affected.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-34977cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-1239/cnnvd
- https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-1239/enisa_euvd
- https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134Vendor Advisorynvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-1239/Third Party AdvisoryVDB Entrynvd
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