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TI-2021-03474 Aliases CVE-2021-20174GHSA-m9jg-hj4g-7m6r

Cleartext transmission of sensitive information in Netgear Nighthawk R6700

Priority LOW 34CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-319.

Summary

Netgear Nighthawk R6700 version 1.0.4.120 does not utilize secure communication methods to the web interface. By default, all communication to/from the device's web interface is sent via HTTP, which causes potentially sensitive information (such as usernames and passwords) to be transmitted in cleartext.

Why it matters now

EPSS 0.00608 49th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Netgear Nighthawk R67001.0.4.120—No fix listedCNA
  • Netgear Nighthawk R6700 Vendor— Affected 1.0.4.120 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:netgear:r6700_firmware:1.0.4.120:*:*:*:*:*:*:*1.0.4.120VulnerableNETGEAR
cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:r6700_firmware:1.0.4.120:*:*:*:*:*:*:* Versions 1.0.4.120 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20174
  2. 2026-10-03 Alias added: GHSA-m9jg-hj4g-7m6r

References

Advisory 1

  • TI-2016-05377 NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before… KEVCVSS 3.1HIGH 8.8
  • TI-2020-08805 Stack-based buffer overflow in NETGEAR R6700 CVSS 3.1HIGH 8.8
  • TI-2020-08804 Authentication bypass in NETGEAR R6700 CVSS 3.1HIGH 8.8
  • TI-2023-16567 Netgear D6220 with Firmware Version 1.0.0.80, D8500 with Firmware Version 1.0.3.60, R6700… CVSS 3.1HIGH 8.8
  • TI-2022-10624 Buffer overflow in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
  • TI-2020-12311 Stack-based buffer overflow in NETGEAR Multiple Routers CVSS 3.1CRITICAL 9.8
See all 172 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences