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CVE-2023-31198

21
FAUCET Score

CVE-2023-31198 is an OS command injection vulnerability affecting various Inaba Wi-Fi AP UNIT models, including AC-PD-WAPU, AC-PD-WAPUM, AC-WAPU-300, and their P-versions, all in specific firmware versions. This high-severity vulnerability (CVSS 7.2) allows a remote, authenticated attacker with administrative privileges to execute arbitrary OS commands with high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.05_b04CPE matchmatch criteria
cpe:2.3:o:inaba:ac-pd-wapu_firmware:*:*:*:*:*:*:*:*
<= 1.05_b04CPE matchmatch criteria
cpe:2.3:o:inaba:ac-pd-wapum_firmware:*:*:*:*:*:*:*:*
<= 1.05_b04pCPE matchmatch criteria
cpe:2.3:o:inaba:ac-pd-wapu-p_firmware:*:*:*:*:*:*:*:*
<= 1.05_b04pCPE matchmatch criteria
cpe:2.3:o:inaba:ac-pd-wapum-p_firmware:*:*:*:*:*:*:*:*
<= 1.00_b07CPE matchmatch criteria
cpe:2.3:o:inaba:ac-wapu-300_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.48%
Probability of exploitation in next 30 days
EPSS Percentile
71.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0148 is in the 64th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN28412757
MitigationThird Party Advisory
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
Vendor Advisory