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CVE-2018-21097

CRITICAL
9.8
CVSS Score
Published: April 27, 2020 at 03:57 PM UTC
Updated: June 17, 2026 at 01:54 AM UTC
22 products affected across 1 vendorWAC510 FirmwareWAC505 FirmwareWNAP320 Firmware

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects WAC505 before 5.0.5.4, WAC510 before 5.0.5.4, WAC120 before 2.1.7, WN604 before 3.3.10, WNAP320 before 3.7.11.4, WNAP210v2 before 3.7.11.4, WNDAP350 before 3.7.11.4, WNDAP360 before 3.7.11.4, WNDAP660 before 3.7.11.4, WNDAP620 before 2.1.7, and WND930 before 2.1.5.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WAC120 Firmware· NETGEAR
95%
v < 2.1.7
Affected range stops below 2.1.7, so it looks safe — our inference, not a vendor statement
netgear-wac120 (same device)
WAC505 Firmware· NETGEAR
95%
v < 5.0.5.4
Affected range stops below 5.0.5.4, so it looks safe — our inference, not a vendor statement
netgear-wac505 (same device)
WAC510 Firmware· NETGEAR
95%
v < 5.0.5.4
Affected range stops below 5.0.5.4, so it looks safe — our inference, not a vendor statement
netgear-wac510 (same device)
WN604 Firmware· NETGEAR
95%
v < 3.3.10
Affected range stops below 3.3.10, so it looks safe — our inference, not a vendor statement
WNAP210 Firmware· NETGEAR
95%
v < 3.7.11.4
Affected range stops below 3.7.11.4, so it looks safe — our inference, not a vendor statement
netgear-wnap210 (same device)
WNAP320 Firmware· NETGEAR
95%
v < 3.7.11.4
Affected range stops below 3.7.11.4, so it looks safe — our inference, not a vendor statement
netgear-wnap320 (same device)
WND930 Firmware· NETGEAR
95%
v < 2.1.5
Affected range stops below 2.1.5, so it looks safe — our inference, not a vendor statement
netgear-wnd930 (same device)
WNDAP350 Firmware· NETGEAR
95%
v < 3.7.11.4
Affected range stops below 3.7.11.4, so it looks safe — our inference, not a vendor statement
netgear-wndap350 (same device)
WNDAP360 Firmware· NETGEAR
95%
v < 3.7.11.4
Affected range stops below 3.7.11.4, so it looks safe — our inference, not a vendor statement
netgear-wndap360 (same device)
WNDAP620 Firmware· NETGEAR
95%
v < 2.1.7
Affected range stops below 2.1.7, so it looks safe — our inference, not a vendor statement
netgear-wndap620 (same device)

Remediation

No guide yet

No 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/000060457/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Wireless-Access-Points-PSV-2018-0094

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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