CVE-2023-47674
Missing authentication for critical function vulnerability in First Corporation's DVRs allows a...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-47674- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2023-47674- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2023-51773
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.
- Record
EUVD-2023-51773- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-h9h6-5vxm-9xx3
Missing authentication for critical function vulnerability in First Corporation's DVRs allows a...
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.
- Record
GHSA-h9h6-5vxm-9xx3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
- first co., ltd. cfr-4eab, cfr-8eab, cfr-16eab
- first co., ltd. cfr-1004ea, cfr-1008ea, cfr-1016ea
- first co., ltd. cfr-4eaa, cfr-8eaa, cfr-16eaa
- first co., ltd. cfr-4eaam, cfr-4eabc
- first co., ltd. cfr-4eha, cfr-8eha, cfr-16eha
- first co., ltd. cfr-4ehd, cfr-8ehd, cfr-16ehd
- first co., ltd. cfr-904e, cfr-908e, cfr-916e
- first co., ltd. md-404aa, md-808aa
- first co., ltd. md-404ab, md-808ab
- first co., ltd. md-404ha, md-808ha
- first co., ltd. md-404hd, md-808hd
- c-first cfr-1004ea firmware
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- c-first cfr-1008ea firmware
- c-first cfr-1016ea firmware
- c-first cfr-16eaa firmware
- c-first cfr-16eab firmware
- c-first cfr-16eha firmware
- c-first cfr-16ehd firmware
- c-first cfr-4eaa firmware
- c-first cfr-4eaam firmware
- c-first cfr-4eab firmware
- c-first cfr-4eabc firmware
- c-first cfr-4eha firmware
- c-first cfr-4ehd firmware
- c-first cfr-8eaa firmware
- c-first cfr-8eab firmware
- c-first cfr-8eha firmware
- c-first cfr-8ehd firmware
- c-first cfr-904e firmware
- c-first cfr-908e firmware
- c-first cfr-916e firmware
- c-first md-404aa firmware
- c-first md-404ab firmware
- c-first md-404ha firmware
- c-first md-404hd firmware
- c-first md-808aa firmware
- c-first md-808ab firmware
- c-first md-808ha firmware
- c-first md-808hd firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-47674 is a critical vulnerability (CVSS 9.8) in First Co., Ltd. Cfr-4eab, Cfr-8eab, Cfr-16eab, published November 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.26%, the 69th percentile. No source names a fixed version.