What’s Vulnerable › Vulnerabilities

CVE-2020-26921

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-09 · updated 2026-06-17
• Weakness: CWE-287

Description

Certain NETGEAR devices are affected by authentication bypass. This affects GS110EMX before 1.0.1.7, GS810EMX before 1.7.1.3, XS512EM before 1.0.1.3, and XS724EM before 1.0.1.3.

Affected products

• NETGEAR Gs110Emx Firmware: before 1.0.1.7 — fixed in 1.0.1.7
• NETGEAR Gs810Emx Firmware: before 1.7.1.3 — fixed in 1.7.1.3
• NETGEAR Xs512Em Firmware: before 1.0.1.3 — fixed in 1.0.1.3
• NETGEAR Xs724Em Firmware: before 1.0.1.3 — fixed in 1.0.1.3

How to fix

Upgrade to a fixed version: NETGEAR Gs110Emx Firmware 1.0.1.7; NETGEAR Gs810Emx Firmware 1.7.1.3; NETGEAR Xs512Em Firmware 1.0.1.3; NETGEAR Xs724Em Firmware 1.0.1.3. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000062332/Security-Advisory-for-Authentication-Bypass-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0305
• https://kb.netgear.com/000062332/Security-Advisory-for-Authentication-Bypass-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0305

Get alerted when CVE-2020-26921 or the next vulnerability affects your stack