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CVE-2018-19300: On D-Link DAP-1530 (A1) before firmware version 1.06b01, DAP-1610 (A1) before firmware version 1.06b01, DWR-11

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CRITICAL 9.8REMOTEUPGRADEUPGRADEUPGRADE

CVE-2018-19300 is a critical-severity flaw (CVSS 9.8) affecting dap-1530 firmware, dap-1610 firmware, dwr-111 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

On D-Link DAP-1530 (A1) before firmware version 1.06b01, DAP-1610 (A1) before firmware version 1.06b01, DWR-111 (A1) before firmware version 1.02v02, DWR-116 (A1) before firmware version 1.06b03, DWR-512 (B1) before firmware version 2.02b01, DWR-711 (A1) through firmware version 1.11, DWR-712 (B1) before firmware version 2.04b01, DWR-921 (A1) before firmware version 1.02b01, and DWR-921 (B1) before firmware version 2.03b01, there exists an EXCU_S

Why this priority

  • Critical severity
  • EPSS top 1%: very likely to be exploited
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance74.3% (top 1%)
CISA exploited listNo
WeaknessCWE-20
Published2019-04-11
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: d-link · dlink

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

Am I affected?

Timeline

d-link dap-1530 firmware UPGRADE
Affected: <= 1.05
Fixed in: newer than 1.05
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.
d-link dap-1610 firmware UPGRADE
Affected: <= 1.05
Fixed in: newer than 1.05
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.
dlink dwr-111 firmware UPGRADE
Affected: <= 1.01
Fixed in: newer than 1.01
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.
d-link dwr-116 firmware MITIGATE
Affected: 1.06 b1 · 1.06 b2
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.06
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.
dlink dwr-116 firmware UPGRADE
Affected: <= 1.05
Fixed in: newer than 1.05
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.
dlink dwr-512 firmware UPGRADE
Affected: <= 2.02
Fixed in: newer than 2.02
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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.
Fedora ELN · fuse-sshfs · FIXED · 3.7.6-3.eln159 · FEDORA-2026-bcb7be7c5c · source
sudo dnf upgrade --advisory=FEDORA-2026-bcb7be7c5c
Fedora 46 · python-odata-query · FIXED · 0.10.1-1.fc46 · FEDORA-2026-eab44dc513 · source
sudo dnf upgrade --advisory=FEDORA-2026-eab44dc513

Public exploits and detection

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

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-2018-19300?

dap-1530 firmware: upgrade to newer than 1.05; dap-1610 firmware: upgrade to newer than 1.05; dwr-111 firmware: upgrade to newer than 1.01. Exact commands for each OS are on this page.

Is CVE-2018-19300 being exploited?

CVE-2018-19300 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-2018-19300 affect?

CVE-2018-19300 affects dap-1530 firmware, dap-1610 firmware, dwr-111 firmware. Severity is critical (CVSS 9.8). On D-Link DAP-1530 (A1) before firmware version 1.06b01, DAP-1610 (A1) before firmware version 1.06b01, DWR-111 (A1) before firmware version 1.02v02, DWR-116 (A1) before firmware version 1.06b03, DWR-512 (B1) before firmware version 2.02b01

How urgent is CVE-2018-19300?

Priority 69/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

D-Link vulnerabilities

References

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