CVE-2024-41594: An issue in DrayTek Vigor310 devices through 4.3.2.6 allows an attacker to obtain sensitive information becaus
36
Routine
HIGH 7.5REMOTEMITIGATEUPGRADEUPGRADE
CVE-2024-41594 is a high-severity flaw (CVSS 7.5) affecting vigor2620 firmware, vigor2915 firmware, vigor2866 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue in DrayTek Vigor310 devices through 4.3.2.6 allows an attacker to obtain sensitive information because the httpd server of the Vigor management UI uses a static string for seeding the PRNG of OpenSSL.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
draytek vigor2620 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.
draytek vigor2915 firmware UPGRADE
Affected: < 4.4.5.3
Fixed in: 4.4.5.3
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.
draytek vigor2866 firmware UPGRADE
Affected: < 4.4.5.2
Fixed in: 4.4.5.2
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.
draytek vigor2766 firmware UPGRADE
Affected: < 4.4.5.3
Fixed in: 4.4.5.3
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.
draytek vigor2865 firmware UPGRADE
Affected: < 4.4.5.2
Fixed in: 4.4.5.2
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.
draytek vigor2765 firmware UPGRADE
Affected: < 4.4.5.3
Fixed in: 4.4.5.3
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.
Verify at the official sourceNVD · 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-2024-41594?
vigor2620 firmware: mitigate or apply the listed mitigation; vigor2915 firmware: upgrade to 4.4.5.3; vigor2866 firmware: upgrade to 4.4.5.2. Exact commands for each OS are on this page.
Is CVE-2024-41594 being exploited?
CVE-2024-41594 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-2024-41594 affect?
CVE-2024-41594 affects vigor2620 firmware, vigor2915 firmware, vigor2866 firmware. Severity is high (CVSS 7.5). An issue in DrayTek Vigor310 devices through 4.3.2.6 allows an attacker to obtain sensitive information because the httpd server of the Vigor management UI uses a static string for seeding the PRNG of OpenSSL.
How urgent is CVE-2024-41594?
Priority 36/100. High severity; Remotely exploitable, no login, no user action
CVE-2024-51139CRITICAL 9.8UPGRADEUPGRADE Buffer Overflow vulnerability in Vigor2620/LTE200 3.9.8.9 and earlier and Vigor2860/2925 3.9.8 and earlier and
CVE-2024-51138CRITICAL 9.8UPGRADEUPGRADE Vigor165/166 4.2.7 and earlier; Vigor2620/LTE200 3.9.8.9 and earlier; Vigor2860/2925 3.9.8 and earlier; Vigor2
CVE-2024-41340HIGH 8.4UPGRADEUPGRADE An issue in Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/29
CVE-2024-41339HIGH 8.8UPGRADEUPGRADE An issue in the CGI endpoint used to upload configurations in Draytek devices Vigor 165/166 prior to v4.2.6 ,
CVE-2024-41338HIGH 7.5UPGRADEUPGRADE A NULL pointer dereference in Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.
PatchTheCVE