medium
6.8
CWE
787 119
Advisory Published
Updated

CVE-2019-20755: Buffer Overflow

First published: Thu Apr 16 2020(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D6220 Firmware<1.0.0.46
NETGEAR D6220 firmware
NETGEAR D6400<1.0.0.80
NETGEAR D6400 firmware
NETGEAR D7000v1 firmware<1.0.0.51
NETGEAR D7000 firmware=v2
Netgear D8500 Firmware<1.0.3.42
Netgear D8500 Firmware
NETGEAR DGN2200B firmware<1.0.0.58
NETGEAR DGN2200M=v1
NETGEAR DGND2200B firmware<1.0.0.58
NETGEAR DGND2200B firmware
NETGEAR JNDR3000 firmware<1.0.0.24
NETGEAR JNDR3000 firmware
NETGEAR RBW30 firmware<2.1.4.16
NETGEAR RBW30 firmware
netgear R6250 Firmware<1.0.4.26
NETGEAR R6250
NETGEAR R6300 firmware<1.0.4.28
NETGEAR R6300v2=v2
NETGEAR R6400 firmware<1.0.1.42
NETGEAR R6400 firmware
NETGEAR R6400 firmware<1.0.2.56
NETGEAR R6400 firmware=v2
Netgear R6700 Firmware<1.0.1.46
NETGEAR R6700v1 firmware
Netgear R6900 Firmware<1.0.1.46
Netgear R6900 Firmware
NETGEAR R7000 firmware<1.0.9.32
NETGEAR R7000 firmware
NETGEAR R6900P firmware<1.3.1.44
Netgear R6900 Firmware
NETGEAR R7100LG firmware<1.0.0.46
Netgear R7100LG
NETGEAR R7300DST firmware<1.0.0.68
NETGEAR R7300DST firmware
NETGEAR R7000P firmware<1.3.1.44
Netgear R7000P
NETGEAR R7900P firmware<1.0.2.16
NETGEAR R7900P firmware
NETGEAR R8000P<1.4.0.10
NETGEAR R8000P firmware
NETGEAR R7900P firmware<1.4.0.10
NETGEAR R7900P firmware
NETGEAR R8300 firmware<1.0.2.122
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.122
NETGEAR R8500
NETGEAR R8000 firmware<1.0.4.18
NETGEAR R8000 firmware
NETGEAR WNDR3400<1.0.1.22
NETGEAR WNDR3400 firmware=v3
NETGEAR WNDR4500 firmware<1.0.0.72
NETGEAR WNDR4500v3=v2
NETGEAR WNR3500L<1.2.0.54
NETGEAR WNR3500L firmware=v2
NETGEAR WN3100RP<1.0.0.20
NETGEAR WN3100RPv2 firmware
NETGEAR WN2500RP<1.0.1.54
NETGEAR WN2500RPv2=v2

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-20755?

    CVE-2019-20755 has a high severity due to potential exploitation via stack-based buffer overflow by authenticated users.

  • How do I fix CVE-2019-20755?

    To mitigate CVE-2019-20755, update the affected NETGEAR devices to their latest firmware versions as specified in the vulnerability report.

  • Which NETGEAR devices are affected by CVE-2019-20755?

    CVE-2019-20755 affects several NETGEAR devices including D6220, D6400, D7000v2, D8500, DGN2200v1, and others prior to specified firmware versions.

  • What causes CVE-2019-20755 vulnerability?

    CVE-2019-20755 is caused by a stack-based buffer overflow that can be exploited by an authenticated user.

  • Is my NETGEAR device safe from CVE-2019-20755?

    Your NETGEAR device is safe from CVE-2019-20755 if it is running the latest firmware version that addresses this vulnerability.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203