HOMEVULNERABILITIESCVE-2023-37563
MEDIUM

CVE-2023-37563

NVD-CWE-noinfoPublished: July 13, 2023· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-37563 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

elecom10 product(s)
wrc-1167ghbk-s firmwarewrc-1167ghbk-swrc-1167gebk-s firmwarewrc-1167gebk-swrc-1167febk-s firmwarewrc-1167febk-swrc-1167ghbk3-a firmwarewrc-1167ghbk3-awrc-1167febk-a firmwarewrc-1167febk-a
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/en/jp/JVN05223215/
ADVISORYhttps://www.elecom.co.jp/news/security/20230711-01/
ADVISORYhttps://jvn.jp/en/jp/JVN05223215/
ADVISORYhttps://www.elecom.co.jp/news/security/20230711-01/

All References (6)

→
https://jvn.jp/en/jp/JVN05223215/Third Party Advisory
→
https://www.elecom.co.jp/news/security/20230711-01/Vendor Advisory
→
https://www.elecom.co.jp/news/security/20230810-01/
→
https://jvn.jp/en/jp/JVN05223215/Third Party Advisory
→
https://www.elecom.co.jp/news/security/20230711-01/Vendor Advisory
→
https://www.elecom.co.jp/news/security/20230810-01/

Quick Facts

CVE IDCVE-2023-37563
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJul 13, 2023

Related CVEs (NVD-CWE-noinfo)

CVE-2007-6691
10.0
CVE-2007-6693
10.0
CVE-2007-6679
10.0
CVE-2007-6686
10.0
CVE-2007-6688
10.0
CVE-2008-0340
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-37563 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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