CVE-2022-21799
MEDIUM
5.2
CVSS Score
Published: February 8, 2022 at 10:30 AM UTC
Updated: June 17, 2026 at 04:27 AM UTC
3 products affected across 1 vendorWrc 300FEBK R FirmwareWrc-300Febk-RWrc 2533GHBK I Firmware
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Severity
MEDIUM5.2
Exploit prediction
EPSS 0.4%
Description
Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network to inject an arbitrary script via unspecified vectors.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.16
Affected range stops below 1.16, so it looks safe — our inference, not a vendor statement
elecom-wrc-300febk-r (same device)
v ≤ 1.13
Wrc-300Febk-R· Elecomdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN17482543/index.htmlx_refsource_MISCVendor Advisory
Source: [email protected]
https://www.elecom.co.jp/news/security/20220208-02/CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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