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TI-2018-15073 Aliases CVE-2018-21111GHSA-4r2q-5ff4-r8pg

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated…

Priority LOW 31CWE-787Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6100 before 1.0.0.60, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, and WNR2000v5 before 1.0.0.66.

Why it matters now

EPSS 0.00593 48th 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 22

CPEVersionsRoleVendor
cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:*before 1.0.0.75VulnerableNETGEAR
cpe:2.3:h:netgear:d3600:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:*before 1.0.0.75VulnerableNETGEAR
cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:*before 1.0.0.60VulnerableNETGEAR
cpe:2.3:h:netgear:d6100:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*before 1.0.2.52VulnerableNETGEAR
cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:*before 1.0.4.2VulnerableNETGEAR
cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.75 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d3600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.75 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.60 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d6100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.52 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.2 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*before 1.0.4.2VulnerableNETGEAR
cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*before 1.0.2.102VulnerableNETGEAR
cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:*v4Running onNETGEAR
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*before 1.0.2.104VulnerableNETGEAR
cpe:2.3:h:netgear:wndr4300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*before 1.0.0.58VulnerableNETGEAR
cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*before 1.0.0.58VulnerableNETGEAR
cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:*v3Running onNETGEAR
cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*before 1.0.0.66VulnerableNETGEAR
cpe:2.3:h:netgear:wnr2000:v5:*:*:*:*:*:*:*v5Running onNETGEAR
  • cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.2 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:* Versions v4 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.104 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr4300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.58 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.58 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.66 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wnr2000:v5:*:*:*:*:*:*:* Versions v5 Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-21111
  2. 2026-10-03 Alias added: GHSA-4r2q-5ff4-r8pg

References

Advisory 1

  • TI-2018-15099 Certain NETGEAR devices are affected by a hardcoded password. CVSS 3.1CRITICAL 9.8
  • TI-2020-18243 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1CRITICAL 9.8
  • TI-2019-14950 Certain NETGEAR devices are affected by SQL injection. CVSS 3.1CRITICAL 9.8
  • TI-2017-13914 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1HIGH 8.8
  • TI-2021-20728 Certain NETGEAR devices are affected by incorrect configuration of security settings. CVSS 3.1HIGH 8.8
  • TI-2019-14905 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1HIGH 8.8
See all 64 →

Sources

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