CVE-2021-20646
Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-A allows remote attackers...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-20646- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2021-20646- Updated
- 2026-11-02
EUVDEUVD-2021-8064No score
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.
- Record
EUVD-2021-8064- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g58c-cr2p-rwrfNo score
Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-A allows remote attackers...
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.
- Record
GHSA-g58c-cr2p-rwrf- Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20646 is a medium vulnerability (CVSS 6.5) in Elecom Co.,ltd. Wrc-300febk-a, published February 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.