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TI-2019-14975 Aliases CVE-2019-20755GHSA-jjjm-2v77-2785

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 D6220 before 1.0.0.46, D6400 before 1.0.0.80, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v1 before 1.0.0.58, DGN2200B before 1.0.0.58, JNDR3000 before 1.0.0.24, RBW30 before 2.1.4.16, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.42, R6400v2 before 1.0.2.56, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.32, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, R7000P before 1.3.1.44, R7900 before 1.0.2.16, R8000P before 1.4.0.10, R7900P before 1.4.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, R8000 before 1.0.4.18, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, WNR3500Lv2 before 1.2.0.54, WN3100RP before 1.0.0.20, and WN2500RPv2 before 1.0.1.54.

Why it matters now

EPSS 0.00506 43rd 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 · 60

CPEVersionsRoleVendor
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 1.0.0.80VulnerableNETGEAR
cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*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:d8500_firmware:*:*:*:*:*:*:*:*before 1.0.3.42VulnerableNETGEAR
cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:*before 1.0.0.58VulnerableNETGEAR
cpe:2.3:h:netgear:dgn2200:v1:*:*:*:*:*:*:*v1Running onNETGEAR
  • 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 1.0.0.80 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:* 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:d8500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.3.42 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.58 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:dgn2200:v1:*:*:*:*:*:*:* Versions v1 Running on ·NETGEAR
Show 50 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:netgear:dgn2200b_firmware:*:*:*:*:*:*:*:*before 1.0.0.58VulnerableNETGEAR
cpe:2.3:h:netgear:dgn2200b:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:jndr3000_firmware:*:*:*:*:*:*:*:*before 1.0.0.24VulnerableNETGEAR
cpe:2.3:h:netgear:jndr3000:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:*before 2.1.4.16VulnerableNETGEAR
cpe:2.3:h:netgear:rbw30:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:*before 1.0.4.26VulnerableNETGEAR
cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:*before 1.0.4.28VulnerableNETGEAR
cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*before 1.0.1.42VulnerableNETGEAR
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*before 1.0.2.56VulnerableNETGEAR
cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*before 1.0.1.46VulnerableNETGEAR
cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:*before 1.0.1.46VulnerableNETGEAR
cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*before 1.0.9.32VulnerableNETGEAR
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*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:r7100lg_firmware:*:*:*:*:*:*:*:*before 1.0.0.46VulnerableNETGEAR
cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7300dst_firmware:*:*:*:*:*:*:*:*before 1.0.0.68VulnerableNETGEAR
cpe:2.3:h:netgear:r7300dst:-:*:*:*:*:*:*:*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:r7900_firmware:*:*:*:*:*:*:*:*before 1.0.2.16VulnerableNETGEAR
cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*before 1.4.0.10VulnerableNETGEAR
cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*before 1.4.0.10VulnerableNETGEAR
cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*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:r8500_firmware:*:*:*:*:*:*:*:*before 1.0.2.122VulnerableNETGEAR
cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*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:wndr3400_firmware:*:*:*:*:*:*:*:*before 1.0.1.22VulnerableNETGEAR
cpe:2.3:h:netgear:wndr3400:v3:*:*:*:*:*:*:*v3Running onNETGEAR
cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*before 1.0.0.72VulnerableNETGEAR
cpe:2.3:h:netgear:wndr4500:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:*before 1.2.0.54VulnerableNETGEAR
cpe:2.3:h:netgear:wnr3500l:v2:*:*:*:*:*:*:*v2Running onNETGEAR
cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:*before 1.0.0.20VulnerableNETGEAR
cpe:2.3:h:netgear:wn3100rp:-:*:*:*:*:*:*:*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:dgn2200b_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.58 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:dgn2200b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:jndr3000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.24 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:jndr3000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:* Versions before 2.1.4.16 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:rbw30:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.26 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 1.0.4.28 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.42 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 1.0.2.56 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.46 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.46 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* Versions before 1.0.9.32 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* 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
  • cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.46 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
  • cpe:2.3:o:netgear:r7300dst_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.68 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7300dst:-:*:*:*:*:*:*:* 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: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:r8000p_firmware:*:*:*:*:*:*:*:* Versions before 1.4.0.10 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 1.4.0.10 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:* 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: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: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:wndr3400_firmware:*:*:*:*:*:*:*:* Versions before 1.0.1.22 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr3400:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.72 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wndr4500:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0.54 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wnr3500l:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
  • cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.0.20 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wn3100rp:-:*:*:*:*:*:*:* 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

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-20755
  2. 2026-10-03 Alias added: GHSA-jjjm-2v77-2785

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