CVE-2018-11220: Bitmain Antminer D3, L3+, and S9 devices allow Remote Command Execution via the system restore function.

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HIGH 8.8MITIGATEMITIGATEMITIGATE

CVE-2018-11220 is a high-severity flaw (CVSS 8.8) affecting antminer d3 firmware, antminer l3\+ firmware, antminer s9 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Bitmain Antminer D3, L3+, and S9 devices allow Remote Command Execution via the system restore function.

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	15.7% (top 3%)
CISA exploited list	No
Published	2018-05-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bitmain

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-05-31 15:29 UTCPublished CVE record published
2026-06-17 01:35 UTCUpdated Record last modified

bitmain antminer d3 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

bitmain antminer l3\+ firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

bitmain antminer s9 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Bitmain Antminer D3/L3+/S9 - Remote Command Execution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-11220?

antminer d3 firmware: mitigate or apply the listed mitigation; antminer l3\+ firmware: mitigate or apply the listed mitigation; antminer s9 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-11220 being exploited?

CVE-2018-11220 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-11220 affect?

CVE-2018-11220 affects antminer d3 firmware, antminer l3\+ firmware, antminer s9 firmware. Severity is high (CVSS 8.8). Bitmain Antminer D3, L3+, and S9 devices allow Remote Command Execution via the system restore function.

How urgent is CVE-2018-11220?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

References

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