Home/CVE/ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Assume that a malicious administrative user co
CVE

CVE-2024-21798

ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Assume that a malicious administrative user co

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".

MEDIUM · CVSS 4.8 EPSS 0.00388
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

10
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
▣

Scoring & Timeline

4.8
MEDIUM · CVSS v3.1 · vultures@jpcert.or.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Feb 2024 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jvn.jp/en/jp/JVN44166658/Third Party Advisory
https://www.elecom.co.jp/news/security/20240220-01/Vendor Advisory
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