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CVE-2023-31196

HIGH
7.5
CVSS Score
Published: June 13, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:56 AM UTC
21 products affected across 2 vendorsAc Wapum 300-p FirmwareAc Wapu 300 FirmwareAc Wapu 300-p Firmware

Using Wi-Fi AP UNIT by Inaba Denki Sangyo Co., Ltd.?

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ac Pd Wapu Firmware· Inaba
95%
v ≤ 1.05_b04
inaba-ac-pd-wapu (same device)
Ac Pd Wapu P Firmware· Inaba
95%
v ≤ 1.05_b04p
inaba-ac-pd-wapu-p (same device)
Ac Pd Wapum Firmware· Inaba
95%
v ≤ 1.05_b04
inaba-ac-pd-wapum (same device)
Ac Pd Wapum P Firmware· Inaba
95%
v ≤ 1.05_b04p
inaba-ac-pd-wapum-p (same device)
Ac Wapu 300 Firmware· Inaba
95%
v ≤ 1.00_b07
inaba-ac-wapu-300 (same device)
Ac Wapu 300-p Firmware· Inaba
95%
v ≤ 1.00_b07
inaba-ac-wapu-300-p (same device)
Ac Wapum 300 Firmware· Inaba
95%
v ≤ 1.00_b07
inaba-ac-wapum-300 (same device)
Ac Wapum 300-p Firmware· Inaba
95%
v ≤ 1.00_b07
inaba-ac-wapum-300-p (same device)
Wi-Fi AP UNIT AC-PD-WAPU· Inaba Denki Sangyo
60%
v ≤ 1.05_B4
Wi-Fi AP UNIT AC-PD-WAPU-P· Inaba Denki Sangyo
60%
v ≤ 1.05_B4

References (2)

MitigationThird Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN28412757/
Vendor Advisory
Source: [email protected]
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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

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