CVE-2018-21121
HIGH
8.8
CVSS Score
Published: April 22, 2020 at 03:21 PM UTC
Updated: June 17, 2026 at 01:54 AM UTC
6 products affected across 1 vendorGS810EMX FirmwareXS724EM FirmwareXS512EM Firmware
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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
Description
Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.0.0.5
Affected range stops below 1.0.0.5, so it looks safe — our inference, not a vendor statement
netgear-gs810emx (same device)
v < 1.0.0.6
Affected range stops below 1.0.0.6, so it looks safe — our inference, not a vendor statement
netgear-xs512em (same device)
v < 1.0.0.6
Affected range stops below 1.0.0.6, so it looks safe — our inference, not a vendor statement
netgear-xs724em (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://kb.netgear.com/000060237/Security-Advisory-for-Authentication-Bypass-on-Some-Switches-PSV-2018-0219CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-287
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