CVE-2020-28373

HIGH
8.8
CVSS Score
Published: November 9, 2020 at 09:32 PM UTC
Updated: June 17, 2026 at 03:10 AM UTC
26 products affected across 1 vendorR7000P FirmwareR8500 FirmwareR8000 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 1%

Description

upnpd on certain NETGEAR devices allows remote (LAN) attackers to execute arbitrary code via a stack-based buffer overflow. This affects R6400v2 V1.0.4.102_10.0.75, R6400 V1.0.1.62_1.0.41, R7000P V1.3.2.126_10.1.66, XR300 V1.0.3.50_10.3.36, R8000 V1.0.4.62, R8300 V1.0.2.136, R8500 V1.0.2.136, R7300DST V1.0.0.74, R7850 V1.0.5.64, R7900 V1.0.4.30, RAX20 V1.0.2.64, RAX80 V1.0.3.102, and R6250 V1.0.4.44.

Affected

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

netgear-r6250 (same device)
netgear-r7000p (same device)
netgear-r7300dst (same device)
netgear-r7850 (same device)
netgear-r7900 (same device)
netgear-r8000 (same device)
netgear-r8300 (same device)
netgear-r8500 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCBroken LinkThird Party Advisory
https://github.com/cpeggg/Netgear-upnpd-poc

CVSS

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-787

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