CVE-2024-21798

Name: CVE-2024-21798
Creator: NVD / NIST
Published: 2024-02-28T23:15:09.453+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.29%

Last modified Jun 17, 2026

CVE-2024-21798 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Assume that a malicious administrative user configures the affected product with specially crafted content. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Assume that a malicious administrative user configures the affected product with specially crafted content. When another administrative user logs in and operates the product, an arbitrary script may be executed on the web browser. Note that WMC-X1800GST-B is also included in e-Mesh Starter Kit "WMC-2LX-B".

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.29%

66.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Elecom	Wrc-1167gs2-B Firmware	< 1.73
Elecom	Wrc-1167gs2h-B Firmware	< 1.73
Elecom	Wrc-1167gst2 Firmware	< 1.34
Elecom	Wrc-2533gs2-B Firmware	< 1.68
Elecom	Wrc-2533gs2-W Firmware	< 1.68
Elecom	Wrc-2533gs2v-B Firmware	< 1.68
Elecom	Wrc-2533gst2 Firmware	< 1.31
Elecom	Wrc-X3200gst3-B Firmware	< 1.27
Elecom	Wrc-G01-W Firmware	< 1.26
Elecom	Wmc-X1800gst-B Firmware	< 1.42

References

https://jvn.jp/en/jp/JVN44166658/Third Party Advisory
https://www.elecom.co.jp/news/security/20240220-01/Vendor Advisory
https://jvn.jp/en/jp/JVN44166658/Third Party Advisory
https://www.elecom.co.jp/news/security/20240220-01/Vendor Advisory

Timeline

Published: Feb 28, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21798?

How severe is CVE-2024-21798?

CVE-2024-21798 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21798?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21798?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST