CVE-2024-40883: Cross-site request forgery vulnerability exists in ELECOM wireless LAN routers
34
Routine
HIGH 8.8UPGRADEUPGRADEUPGRADE
CVE-2024-40883 is a high-severity flaw (CVSS 8.8) affecting wrc-2533gs2-b firmware, wrc-2533gs2-w firmware, wrc-2533gs2v-b firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cross-site request forgery vulnerability exists in ELECOM wireless LAN routers. Viewing a malicious page while logging in to the affected product with an administrative privilege, the user may be directed to perform unintended operations such as changing the login ID, login password, etc.
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
elecom wrc-2533gs2-b firmware UPGRADE
Affected: < 1.69
Fixed in: 1.69
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.
elecom wrc-2533gs2-w firmware UPGRADE
Affected: < 1.69
Fixed in: 1.69
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.
elecom wrc-2533gs2v-b firmware UPGRADE
Affected: < 1.69
Fixed in: 1.69
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.
elecom wrc-x6000xs-g firmware UPGRADE
Affected: < 1.12
Fixed in: 1.12
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.
elecom wrc-x1500gs-b firmware UPGRADE
Affected: < 1.12
Fixed in: 1.12
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.
elecom wrc-x1500gsa-b firmware UPGRADE
Affected: < 1.12
Fixed in: 1.12
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-2024-40883?
wrc-2533gs2-b firmware: upgrade to 1.69; wrc-2533gs2-w firmware: upgrade to 1.69; wrc-2533gs2v-b firmware: upgrade to 1.69. Exact commands for each OS are on this page.
Is CVE-2024-40883 being exploited?
CVE-2024-40883 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-2024-40883 affect?
CVE-2024-40883 affects wrc-2533gs2-b firmware, wrc-2533gs2-w firmware, wrc-2533gs2v-b firmware. Severity is high (CVSS 8.8). Cross-site request forgery vulnerability exists in ELECOM wireless LAN routers. Viewing a malicious page while logging in to the affected product with an administrative privilege, the user may be directed to perform unintended operations su
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