CVE-2018-21199
MEDIUM
6.8
CVSS Score
Published: April 28, 2020 at 03:05 PM UTC
Updated: June 17, 2026 at 01:54 AM UTC
12 products affected across 1 vendorR7800 FirmwareR9000 FirmwareD7800 Firmware
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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.6%
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.30, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, and WNDR4300 before 1.0.2.98.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.0.1.30
Affected range stops below 1.0.1.30, so it looks safe — our inference, not a vendor statement
netgear-d7800 (same device)
v < 1.0.1.22
Affected range stops below 1.0.1.22, so it looks safe — our inference, not a vendor statement
netgear-r6100 (same device)
v < 1.0.0.122v < 1.0.3.24
Affected range stops below 1.0.0.122, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.0.3.24, so it looks safe — our inference, not a vendor statement
netgear-r7500 (same device)
v < 1.0.2.40
Affected range stops below 1.0.2.40, so it looks safe — our inference, not a vendor statement
v < 1.0.2.52
Affected range stops below 1.0.2.52, so it looks safe — our inference, not a vendor statement
netgear-r9000 (same device)
v < 1.0.2.98
Affected range stops below 1.0.2.98, so it looks safe — our inference, not a vendor statement
netgear-wndr4300 (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://kb.netgear.com/000055150/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2593CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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