High severity7.8NVD Advisory· Published Dec 5, 2023· Updated Jun 17, 2026

CVE-2023-47304

Description

An issue was discovered in Vonage Box Telephone Adapter VDV23 version VDV21-3.2.11-0.5.1, allows local attackers to bypass UART authentication controls and read/write arbitrary values to the memory of the device.

AI Insight

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

Affected products

Vonage/Vdv23 Firmware
cpe:2.3:o:vonage:vdv23_firmware:vdv21-3.2.11-0.5.1:*:*:*:*:*:*:*
Vonage/Voip Telephone Adaptercpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: = VDV21-3.2.11-0.5.1

Patches

Vulnerability mechanics

References

trojanhorsey.substack.com/p/cve-2023-47304-unsecured-uart-innvdExploit

News mentions

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