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TI-2021-03875 Aliases CVE-2021-20648GHSA-p953-88vf-5gfv

OS command injection in ELECOM CO.,LTD. WRC-300FEBK-S

Priority LOW 30CWE-78Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

ELECOM WRC-300FEBK-S allows an attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.

Why it matters now

EPSS 0.00467 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ELECOM CO.,LTD.WRC-300FEBK-SWRC-300FEBK-S—No fix listedCNA
  • WRC-300FEBK-S VendorELECOM CO.,LTD. Affected WRC-300FEBK-S Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:elecom:wrc-300febk-s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableELECOM CO.,LTD.
cpe:2.3:h:elecom:wrc-300febk-s:-:*:*:*:*:*:*:*not specified by NVDRunning onELECOM CO.,LTD.
  • cpe:2.3:o:elecom:wrc-300febk-s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·ELECOM CO.,LTD.
  • cpe:2.3:h:elecom:wrc-300febk-s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ELECOM CO.,LTD.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20648
  2. 2026-10-03 Alias added: GHSA-p953-88vf-5gfv

References

  • TI-2021-03874 Cross-site request forgery in ELECOM CO.,LTD. WRC-300FEBK-S CVSS 3.1MEDIUM 6.5
  • TI-2021-03876 Improper certificate validation in ELECOM CO.,LTD. WRC-300FEBK-S CVSS 3.1MEDIUM 4.8

Sources