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TI-2018-15096 Aliases CVE-2018-21134GHSA-f6mj-xf48-98pp

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

Priority MEDIUM 45CWE-787Published · 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-787 and the CVSS impact.

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6700 before 1.0.1.48, R7900 before 1.0.2.16, R6900 before 1.0.1.48, R7000P before 1.3.1.44, R6900P before 1.3.1.44, R6250 before 1.0.4.30, R6300v2 before 1.0.4.32, R6400 before 1.0.1.44, R6400v2 before 1.0.2.60, R7000 before 1.0.9.34, R7100LG before 1.0.0.48, R7300 before 1.0.0.68, R8000 before 1.0.4.18, R8000P before 1.4.1.24, R7900P before 1.4.1.24, R8500 before 1.0.2.122, R8300 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, EX3700 before 1.0.0.72, EX3800 before 1.0.0.72, EX6000 before 1.0.0.32, EX6100 before 1.0.2.24, EX6120 before 1.0.0.42, EX6130 before 1.0.0.24, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, D7000v2 before 1.0.0.51, D6220 before 1.0.0.46, D6400 before 1.0.0.82, and D8500 before 1.0.3.42.

Why it matters now

EPSS 0.01296 70th 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 · 62

CPEVersionsRoleVendor
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*before 1.0.1.48VulnerableNETGEAR
cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*before 1.0.2.16VulnerableNETGEAR
cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:*before 1.0.1.48VulnerableNETGEAR
cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*before 1.3.1.44VulnerableNETGEAR
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*before 1.3.1.44VulnerableNETGEAR
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.48 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.16 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.48 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.1.44 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* Versions before 1.3.1.44 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 52 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:*before 1.0.4.30VulnerableNETGEAR
cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:*before 1.0.4.32VulnerableNETGEAR
cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*before 1.0.1.44VulnerableNETGEAR
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*before 1.0.2.60VulnerableNETGEAR
cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*before 1.0.9.34VulnerableNETGEAR
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*before 1.0.0.48VulnerableNETGEAR
cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7300_firmware:*:*:*:*:*:*:*:*before 1.0.0.68VulnerableNETGEAR
cpe:2.3:h:netgear:r7300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*before 1.0.4.18VulnerableNETGEAR
cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*before 1.4.1.24VulnerableNETGEAR
cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*before 1.4.1.24VulnerableNETGEAR
cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*before 1.0.2.122VulnerableNETGEAR
cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*before 1.0.2.122VulnerableNETGEAR
cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:wn2500rp_firmware:*:*:*:*:*:*:*:*before 1.0.1.54VulnerableNETGEAR
cpe:2.3:h:netgear:wn2500rp:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*before 1.0.0.72VulnerableNETGEAR
cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*before 1.0.0.72VulnerableNETGEAR
cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6000_firmware:*:*:*:*:*:*:*:*before 1.0.0.32VulnerableNETGEAR
cpe:2.3:h:netgear:ex6000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:*before 1.0.2.24VulnerableNETGEAR
cpe:2.3:h:netgear:ex6100:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*before 1.0.0.42VulnerableNETGEAR
cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*before 1.0.0.24VulnerableNETGEAR
cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:*before 1.0.0.42VulnerableNETGEAR
cpe:2.3:h:netgear:ex6150:v1:*:*:*:*:*:*:*v1Running onNETGEAR
cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:*before 1.0.3.88VulnerableNETGEAR
cpe:2.3:h:netgear:ex6200:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*before 1.0.0.66VulnerableNETGEAR
cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*before 1.0.0.51VulnerableNETGEAR
cpe:2.3:h:netgear:d7000:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*before 1.0.0.46VulnerableNETGEAR
cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*before 1.0.0.82VulnerableNETGEAR
cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*before 1.0.3.42VulnerableNETGEAR
cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.30 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.32 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.44 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.60 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.9.34 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.48 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.68 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.18 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 1.4.1.24 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.1.24 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.122 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.122 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:wn2500rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.54 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wn2500rp:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.72 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 1.0.0.72 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 1.0.0.32 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* Versions before 1.0.2.24 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 1.0.0.42 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 1.0.0.24 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 1.0.0.42 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex6150:v1:*:*:*:*:*:*:* Versions v1 Running on ·NETGEAR
  • cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.88 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 1.0.0.66 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.51 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d7000:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.46 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.82 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.42 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:* 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-2018-21134
  2. 2026-10-03 Alias added: GHSA-f6mj-xf48-98pp

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-2017-03537 An issue was discovered on NETGEAR R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2… KEVCVSS 3.1HIGH 8.1
  • 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-2021-13978 Stack-based buffer overflow in NETGEAR R6400v2 CVSS 3.1HIGH 8.8
  • TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
See all 52 →

Sources

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