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TI-2018-15125 Aliases CVE-2018-21163GHSA-j5rp-qhhj-8vw3

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

Priority LOW 34CWE-787Published · Updated

Key facts

Attack vector
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 DGN2200Bv4 before 1.0.0.102, DGN2200v4 before 1.0.0.102, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150 before 1.0.0.38, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6300v2 before 1.0.4.22, R6900P before 1.3.0.18, R7000P before 1.3.0.18, R7300DST before 1.0.0.62, R7900P before 1.3.0.10, R8000 before 1.0.4.12, R8000P before 1.3.0.10, WN2500RPv2 before 1.0.1.52, and WNDR3400v3 before 1.0.1.18.

Why it matters now

EPSS 0.01078 65th 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 · 40

CPEVersionsRoleVendor
cpe:2.3:o:netgear:dgn2200b_firmware:*:*:*:*:*:*:*:*before 1.0.0.102VulnerableNETGEAR
cpe:2.3:h:netgear:dgn2200b:v4:*:*:*:*:*:*:*v4Running onNETGEAR
cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:*before 1.0.0.102VulnerableNETGEAR
cpe:2.3:h:netgear:dgn2200:v4:*:*:*:*:*:*:*v4Running onNETGEAR
cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*before 1.0.0.70VulnerableNETGEAR
cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*before 1.0.0.70VulnerableNETGEAR
cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6000_firmware:*:*:*:*:*:*:*:*before 1.0.0.30VulnerableNETGEAR
cpe:2.3:h:netgear:ex6000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:dgn2200b_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:dgn2200b:v4:*:*:*:*:*:*:* Versions v4 Running on ·NETGEAR
  • cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.102 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:dgn2200:v4:*:*:*:*:*:*:* Versions v4 Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.70 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.70 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.30 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 30 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:*before 1.0.2.22VulnerableNETGEAR
cpe:2.3:h:netgear:ex6100:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*before 1.0.0.40VulnerableNETGEAR
cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*before 1.0.0.22VulnerableNETGEAR
cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:*before 1.0.0.38VulnerableNETGEAR
cpe:2.3:h:netgear:ex6150:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:*before 1.0.3.86VulnerableNETGEAR
cpe:2.3:h:netgear:ex6200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*before 1.0.0.64VulnerableNETGEAR
cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:*before 1.0.4.22VulnerableNETGEAR
cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*before 1.3.0.18VulnerableNETGEAR
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*before 1.3.0.18VulnerableNETGEAR
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7300dst_firmware:*:*:*:*:*:*:*:*before 1.0.0.62VulnerableNETGEAR
cpe:2.3:h:netgear:r7300dst:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*before 1.3.0.10VulnerableNETGEAR
cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*before 1.0.4.12VulnerableNETGEAR
cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*before 1.3.0.10VulnerableNETGEAR
cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wn2500rp_firmware:*:*:*:*:*:*:*:*before 1.0.1.52VulnerableNETGEAR
cpe:2.3:h:netgear:wn2500rp:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:wndr3400_firmware:*:*:*:*:*:*:*:*before 1.0.1.18VulnerableNETGEAR
cpe:2.3:h:netgear:wndr3400:v3:*:*:*:*:*:*:*v3Running onNETGEAR
  • cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.40 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.38 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.86 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.64 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.0.18 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.0.18 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7300dst_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.62 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7300dst:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.0.10 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.12 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.0.10 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wn2500rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.52 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wn2500rp:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr3400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.18 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr3400:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-21163
  2. 2026-10-03 Alias added: GHSA-j5rp-qhhj-8vw3

References

Advisory 1

  • TI-2017-03982 ping.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-04910 Netgear DGN2200 and DGND3700 disclose the administrator password CVSS 3.0CRITICAL 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-2019-12970 Certain NETGEAR devices allow unauthenticated access to critical .cgi and .htm pages via… CVSS 3.1CRITICAL 9.8
  • TI-2024-37767 A vulnerability in the Netgear DGN2200 router with firmware version v1.0.0.46 and earlier… CVSS 3.1HIGH 8.8
  • TI-2017-04186 Cross-site request forgery (CSRF) vulnerability in NETGEAR DGN2200 routers with firmware… CVSS 3.0HIGH 8.8
See all 37 →

Sources

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