What’s Vulnerable › Vulnerabilities

CVE-2018-21116

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-22 · updated 2026-06-17

Description

NETGEAR XR500 devices before 2.3.2.32 are affected by remote code execution by unauthenticated attackers.

Affected products

• NETGEAR Xr500 Firmware: before 2.3.2.32 — fixed in 2.3.2.32

How to fix

Upgrade to a fixed version: NETGEAR Xr500 Firmware 2.3.2.32. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000060242/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0312
• https://kb.netgear.com/000060242/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-XR500-PSV-2018-0312

Get alerted when CVE-2018-21116 or the next vulnerability affects your stack