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TI-2018-15115 Aliases CVE-2018-21153GHSA-v5vw-fvmv-9vrj

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.

Priority MEDIUM 45CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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-120 and the CVSS impact.

Summary

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, EX2700 before 1.0.1.32, EX6100v2 before 1.0.1.70, EX6150v2 before 1.0.1.70, EX6200v2 before 1.0.1.62, EX6400 before 1.0.1.78, EX7300 before 1.0.1.62, EX8000 before 1.0.0.114, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.40, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WN2000RPTv3 before 1.0.1.26, WN3000RPv2 before 1.0.0.56, WN3000RPv3 before 1.0.2.66, WN3100RPv2 before 1.0.0.56, 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 0.01582 75th 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 · 46

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:ex2700_firmware:*:*:*:*:*:*:*:*before 1.0.1.32VulnerableNETGEAR
cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:*before 1.0.1.70VulnerableNETGEAR
cpe:2.3:h:netgear:ex6100:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:*before 1.0.1.70VulnerableNETGEAR
cpe:2.3:h:netgear:ex6150: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:ex2700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.32 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.70 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6100:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.70 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6150:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
Show 36 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:*before 1.0.1.62VulnerableNETGEAR
cpe:2.3:h:netgear:ex6200:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:*before 1.0.1.78VulnerableNETGEAR
cpe:2.3:h:netgear:ex6400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:*before 1.0.1.62VulnerableNETGEAR
cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:*before 1.0.0.114VulnerableNETGEAR
cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:*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:r7800_firmware:*:*:*:*:*:*:*:*before 1.0.2.40VulnerableNETGEAR
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:wn2000rpt_firmware:*:*:*:*:*:*:*:*before 1.0.1.26VulnerableNETGEAR
cpe:2.3:h:netgear:wn2000rpt:v3:*:*:*:*:*:*:*v3Running onNETGEAR
cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:*before 1.0.0.56VulnerableNETGEAR
cpe:2.3:h:netgear:wn3000rp:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:*before 1.0.2.66VulnerableNETGEAR
cpe:2.3:h:netgear:wn3000rp:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:*before 1.0.0.56VulnerableNETGEAR
cpe:2.3:h:netgear:wn3100rp:v2:*:*:*:*:*:*:*v2Running 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:ex6200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6200:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.78 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.114 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:* 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
  • cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.40 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:wn2000rpt_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.26 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wn2000rpt:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.56 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wn3000rp:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.66 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wn3000rp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.56 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wn3100rp:v2:*:*:*:*:*:*:* Versions v2 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-2018-21153
  2. 2026-10-03 Alias added: GHSA-v5vw-fvmv-9vrj

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