CVE-2017-18739
HIGH
8.8
CVSS Score
Published: April 23, 2020 at 04:02 PM UTC
Updated: June 17, 2026 at 01:13 AM UTC
8 products affected across 1 vendorR7800 FirmwareWNDR3700 FirmwareR6220 Firmware
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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
Description
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.1.0.50
Affected range stops below 1.1.0.50, so it looks safe — our inference, not a vendor statement
netgear-r6220 (same device)
v < 1.0.2.36
Affected range stops below 1.0.2.36, so it looks safe — our inference, not a vendor statement
v < 1.0.1.14
Affected range stops below 1.0.1.14, so it looks safe — our inference, not a vendor statement
netgear-wndr3400 (same device)
v < 1.1.0.48
Affected range stops below 1.1.0.48, so it looks safe — our inference, not a vendor statement
netgear-wndr3700 (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/000051516/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2017-0670CVSS
- 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-120
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