CVE-2018-5410: Dokan, versions between 1.0.0.5000 and 1.2.0.1000, are vulnerable to a stack-based buffer overflow in the doka

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HIGH 7.8UPGRADE

CVE-2018-5410 is a high-severity flaw (CVSS 7.8) affecting dokany. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dokan, versions between 1.0.0.5000 and 1.2.0.1000, are vulnerable to a stack-based buffer overflow in the dokan1.sys driver. An attacker can create a device handle to the system driver and send arbitrary input that will trigger the vulnerability. This vulnerability was introduced in the 1.0.0.5000 version update.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-121, CWE-787
Published	2019-01-07
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: dokan-dev

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

Am I affected?

Timeline

2019-01-07 13:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

dokan-dev dokany UPGRADE

Affected: >= 1.0.0.5000 and < 1.2.0.1000

Fixed in: 1.2.0.1000

Safe to downgrade to: a release before 1.0.0.5000

1. Check installed version

apt-cache policy dokany || rpm -q dokany || dokany --version

2. UPGRADE to 1.2.0.1000 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dokany

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dokany

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 1.0.0.5000 (Debian / Ubuntu)

apt-cache madison dokany sudo apt install dokany=<VERSION_BEFORE_1.0.0.5000> sudo apt-mark hold dokany

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dokany sudo dnf downgrade dokany-<VERSION_BEFORE_1.0.0.5000> sudo dnf versionlock add dokany

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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: Dokany 1.2.0.1000 - Stack-Based Buffer Overflow Privilege Escalation

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-2018-5410?

dokany: upgrade to 1.2.0.1000. Exact commands for each OS are on this page.

Is CVE-2018-5410 being exploited?

CVE-2018-5410 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-2018-5410 affect?

CVE-2018-5410 affects dokany. Severity is high (CVSS 7.8). Dokan, versions between 1.0.0.5000 and 1.2.0.1000, are vulnerable to a stack-based buffer overflow in the dokan1.sys driver. An attacker can create a device handle to the system driver and send arbitrary input that will trigger the vulnerab

How urgent is CVE-2018-5410?

Priority 51/100. High severity; Public exploit reference

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References

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