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TI-2018-15110 Aliases CVE-2018-21148GHSA-7w3r-3wwf-35pg

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 D7800 before 1.0.1.34, DM200 before 1.0.0.50, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.

Why it matters now

EPSS 0.00581 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 · 26

CPEVersionsRoleVendor
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*before 1.0.1.34VulnerableNETGEAR
cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:dm200_firmware:*:*:*:*:*:*:*:*before 1.0.0.50VulnerableNETGEAR
cpe:2.3:h:netgear:dm200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*before 1.0.1.22VulnerableNETGEAR
cpe:2.3:h:netgear:r6100:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*before 1.0.0.122VulnerableNETGEAR
cpe:2.3:h:netgear:r7500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*before 1.0.3.26VulnerableNETGEAR
cpe:2.3:h:netgear:r7500:v2:*:*:*:*:*:*:*v2Running onNETGEAR
  • cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.34 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:dm200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.50 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:dm200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.122 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.26 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7500:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
Show 16 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*before 1.0.2.42VulnerableNETGEAR
cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:*before 1.0.3.10VulnerableNETGEAR
cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*before 1.0.3.10VulnerableNETGEAR
cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*before 1.0.2.96VulnerableNETGEAR
cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:*v4Running onNETGEAR
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*before 1.0.2.98VulnerableNETGEAR
cpe:2.3:h:netgear:wndr4300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*before 1.0.0.54VulnerableNETGEAR
cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*before 1.0.0.54VulnerableNETGEAR
cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:*v3Running onNETGEAR
cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*before 1.0.0.64VulnerableNETGEAR
cpe:2.3:h:netgear:wnr2000:v5:*:*:*:*:*:*:*v5Running onNETGEAR
  • cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.42 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 1.0.3.10 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.10 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 1.0.2.96 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:* Versions v4 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.98 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 1.0.0.54 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.54 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.64 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-2018-21148
  2. 2026-10-03 Alias added: GHSA-7w3r-3wwf-35pg

References

Advisory 1

  • TI-2016-08250 The NETGEAR WNR2000v5 router contains a buffer overflow in the hidden_lang_avi parameter… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-20695 Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected… CVSS 3.1CRITICAL 9.8
  • TI-2021-20705 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
  • TI-2021-16129 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
  • TI-2021-09955 Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. CVSS 3.1CRITICAL 9.9
See all 171 →

Sources

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