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CVE-2024-21798

MEDIUM
4.8
CVSS Score
Published: February 28, 2024 at 11:03 PM UTC
Updated: June 17, 2026 at 07:10 AM UTC
20 products affected across 1 vendorWrc 2533GS2 B FirmwareWrc 2533GST2 FirmwareWrc 2533GS2 W Firmware

Using WRC-1167GS2-B by ELECOM CO.,LTD.?

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Severity
MEDIUM4.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

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".

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wmc X1800GST B Firmware· Elecom
95%
v < 1.42
Affected range stops below 1.42, so it looks safe — our inference, not a vendor statement
Wrc 1167GS2 B Firmware· Elecom
95%
v < 1.73
Affected range stops below 1.73, so it looks safe — our inference, not a vendor statement
Wrc 1167GS2H B Firmware· Elecom
95%
v < 1.73
Affected range stops below 1.73, so it looks safe — our inference, not a vendor statement
Wrc 1167GST2 Firmware· Elecom
95%
v < 1.34
Affected range stops below 1.34, so it looks safe — our inference, not a vendor statement
Wrc 2533GS2 B Firmware· Elecom
95%
v < 1.68
Affected range stops below 1.68, so it looks safe — our inference, not a vendor statement
Wrc 2533GS2 W Firmware· Elecom
95%
v < 1.68
Affected range stops below 1.68, so it looks safe — our inference, not a vendor statement
Wrc 2533GS2V B Firmware· Elecom
95%
v < 1.68
Affected range stops below 1.68, so it looks safe — our inference, not a vendor statement
Wrc 2533GST2 Firmware· Elecom
95%
v < 1.31
Affected range stops below 1.31, so it looks safe — our inference, not a vendor statement
Wrc G01-w Firmware· Elecom
95%
v ≤ 1.24v < 1.26
Affected range stops below 1.26, so it looks safe — our inference, not a vendor statement
elecom-wrc-g01-w (same device)
Wrc X3200GST3 B Firmware· Elecom
95%
v ≤ 1.25v < 1.27
Affected range stops below 1.27, so it looks safe — our inference, not a vendor statement
elecom-wrc-x3200gst3-b (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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