What is CVE-2023-37563?

CVE-2023-37563 is a medium-severity vulnerability in Elecom Wrc-1167febk-A, classified under CWE-922. CVSS score: 6.5/10. Published 2023-07-13.

How severe is CVE-2023-37563?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Elecom Wrc-1167febk-A

CVE-2023-37563

ELECOM wireless LAN routers are vulnerable to sensitive information exposure, which allows a network-adjacent unauthorized attacker to obtain sensitive information. Affected products and versions are as follows: WRC-1167GHBK-S v1.03 and earlier, WRC-1167GEBK-S v1.03 and earlier, WRC-1167FEBK-S v1.04 and earlier, WRC-1167GHBK3-A v1.24 and earlier, WRC-1167FEBK-A v1.18 and earlier, WRC-F1167ACF2 all versions, WRC-600GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-1467GHBK-A all versions, WRC-1467GHBK-S all versions, WRC-1900GHBK-A all versions, and WRC-1900GHBK-S all versions.

Published 2023-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-922

References

www.elecom.co.jp/news/security/20230810-01/
www.elecom.co.jp/news/security/20230711-01/ (Vendor Advisory)
jvn.jp/en/jp/JVN05223215/ (Third Party Advisory)

Frequently asked questions

What is CVE-2023-37563?: CVE-2023-37563 is a medium-severity vulnerability in Elecom Wrc-1167febk-A, classified under CWE-922. CVSS score: 6.5/10. Published 2023-07-13.
How severe is CVE-2023-37563?: Medium severity. CVSS v3 base score is 6.5 out of 10.