CVE-2019-20705

Authenticated command execution via undisclosed input handling

Published Apr 16, 2020 · Updated Aug 5, 2024

Command injection in NETGEAR D3600, D6000, and XR500 firmware allows remote authenticated users to execute commands over the local network. NETGEAR has not disclosed the affected management-interface endpoint, parameter, or unsafe command-construction operation. An authenticated user on an adjacent network can alter system state or interrupt service on D3600 and D6000 before 1.0.0.76 and XR500 before 2.3.2.32.

CVSS severity8.0
High
EPSS probability0.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in NETGEAR D3600, D6000, and XR500 firmware allows remote authenticated users to execute commands over the local network. NETGEAR has not disclosed the affected management-interface endpoint, parameter, or unsafe command-construction operation. An authenticated user on an adjacent network can alter system state or interrupt service on D3600 and D6000 before 1.0.0.76 and XR500 before 2.3.2.32.

The record

CVE
CVE-2019-20705
Published
Apr 16, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-77, T1059
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 16, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.3NETGEARCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
5.2NVDAV:A/AC:L/Au:S/C:P/I:P/A:P
8.0NVDCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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