CVE-2021-20864

Summary

Improper access control vulnerability in ELECOM routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent unauthenticated attacker to bypass access restriction, and to start the telnet service and execute an arbitrary OS command via unspecified vectors.

Affected Software

Weaknesses

• Improper Access Control

ADP Enrichment

CVE Program Container

Additional References

• https://www.elecom.co.jp/news/security/20211130-01/
• https://jvn.jp/en/vu/JVNVU94527926/index.html

References

• https://www.elecom.co.jp/news/security/20211130-01/
• https://jvn.jp/en/vu/JVNVU94527926/index.html

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