Critical severity9.8NVD Advisory· Published Nov 16, 2023· Updated Jun 17, 2026

CVE-2023-47674

Description

Missing authentication for critical function vulnerability in First Corporation's DVRs allows a remote unauthenticated attacker to rewrite or obtain the configuration information of the affected device. Note that updates are provided only for Late model of CFR-4EABC, CFR-4EAB, CFR-8EAB, CFR-16EAB, MD-404AB, and MD-808AB. As for the other products, apply the workaround.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

First Corporation/DVRllm-create
Range: Late model of CFR-4EABC, CFR-4EAB, CFR-8EAB, CFR-16EAB, MD-404AB, and MD-808AB
First Corporation/MD-808ABllm-create
Range: Late model
First Corporation/CFR-4EABCllm-fuzzy
Range: Late model
First Co., Ltd./Cfr 4eab, Cfr 8eab, Cfr 16eabv5
Range: firmware all versions

Patches

Vulnerability mechanics

References

jvn.jp/en/vu/JVNVU99077347/nvdThird Party Advisory
www.c-first.co.jp/information/ddososhirase/nvdVendor Advisory
www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdfnvdVendor Advisory

News mentions

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