What’s Vulnerable › Vulnerabilities

CVE-2019-20739

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-16 · updated 2026-06-17
• Weakness: CWE-120

Description

NETGEAR R8500 devices before v1.0.2.128 are affected by a buffer overflow by an unauthenticated attacker.

Affected products

• NETGEAR R8500 Firmware: before 1.0.2.128 — fixed in 1.0.2.128

How to fix

Upgrade to a fixed version: NETGEAR R8500 Firmware 1.0.2.128. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000061179/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-R8500-PSV-2017-0636
• https://kb.netgear.com/000061179/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-R8500-PSV-2017-0636

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