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CVE-2021-20646

MEDIUM
6.5
CVSS Score
Published: February 12, 2021 at 06:15 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 1 vendorWrc-300Febk-AWrc 300FEBK a Firmware

Using WRC-300FEBK-A by ELECOM CO.,LTD.?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%

Description

Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-A allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.

Affected

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

Wrc 300FEBK a Firmware· Elecom
60%
All versions
elecom-wrc-300febk-a (same device)
Wrc-300Febk-A· Elecomdevice
80%
All versions

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)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN47580234/index.html
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.elecom.co.jp/news/security/20210126-01/

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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