CVE-2024-41587: Stored XSS, by authenticated users, is caused by poor sanitization of the Login Page Greeting message in DrayT
23
Routine
MEDIUM 5.4UPGRADEUPGRADEUPGRADE
CVE-2024-41587 is a medium-severity flaw (CVSS 5.4) affecting vigor3910 firmware, vigor3912 firmware, vigor2962 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Stored XSS, by authenticated users, is caused by poor sanitization of the Login Page Greeting message in DrayTek Vigor310 devices through 4.3.2.6.
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 vigor3910 firmware UPGRADE
Affected: < 4.3.2.8 · >= 4.4.0.0 and < 4.4.3.1
Fixed in: 4.3.2.8, 4.4.3.1
Safe to downgrade to: a release before 4.4.0.0
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 vigor3912 firmware UPGRADE
Affected: < 4.3.6.1
Fixed in: 4.3.6.1
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 vigor2962 firmware UPGRADE
Affected: < 4.3.2.8 · >= 4.4.0.0 and < 4.4.3.1
Fixed in: 4.3.2.8, 4.4.3.1
Safe to downgrade to: a release before 4.4.0.0
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 vigor165 firmware UPGRADE
Affected: < 4.2.7
Fixed in: 4.2.7
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 vigor1000b firmware UPGRADE
Affected: < 4.3.2.8 · >= 4.4.0.0 and < 4.4.3.1
Fixed in: 4.3.2.8, 4.4.3.1
Safe to downgrade to: a release before 4.4.0.0
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 vigor166 firmware UPGRADE
Affected: < 4.2.7
Fixed in: 4.2.7
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-2024-41587?
vigor3910 firmware: upgrade to 4.3.2.8, 4.4.3.1; vigor3912 firmware: upgrade to 4.3.6.1; vigor2962 firmware: upgrade to 4.3.2.8, 4.4.3.1. Exact commands for each OS are on this page.
Is CVE-2024-41587 being exploited?
CVE-2024-41587 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-2024-41587 affect?
CVE-2024-41587 affects vigor3910 firmware, vigor3912 firmware, vigor2962 firmware. Severity is medium (CVSS 5.4). Stored XSS, by authenticated users, is caused by poor sanitization of the Login Page Greeting message in DrayTek Vigor310 devices through 4.3.2.6.
How urgent is CVE-2024-41587?
Priority 23/100. No elevated risk signals yet.
Related CVEs
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CVE-2024-46596HIGH 7.5MITIGATE Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sAct parameter at v2x00.cgi
CVE-2024-46595HIGH 7.5MITIGATE Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the saveitem parameter at lan2lan.c
CVE-2024-46594HIGH 7.5MITIGATE Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the saveVPNProfile parameter at v2x
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