CVE-2023-39455

moderate-risk

Published 2023-08-18

OS command injection vulnerability in ELECOM wireless LAN routers allows an authenticated user to execute an arbitrary OS command by sending a specially crafted request. Affected products and versions are as follows: WRC-600GHBK-A all versions, WRC-1467GHBK-A all versions, WRC-1900GHBK-A all versions, WRC-733FEBK2-A all versions, WRC-F1167ACF2 all versions, WRC-1467GHBK-S all versions, and WRC-1900GHBK-S all versions.

Do I need to act?

1.5% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (7)

Wrc-600Ghbk-A Firmware

Wrc-1467Ghbk-A Firmware

Wrc-1900Ghbk-A Firmware

Wrc-733Febk2-A Firmware

Wrc-F1167Acf2 Firmware

Wrc-1467Ghbk-S Firmware

Wrc-1900Ghbk-S Firmware

Affected Vendors

Elecom

References (4)

Third Party Advisory https://jvn.jp/en/vu/JVNVU91630351/

Vendor Advisory https://www.elecom.co.jp/news/security/20230810-01/

Third Party Advisory https://jvn.jp/en/vu/JVNVU91630351/

Vendor Advisory https://www.elecom.co.jp/news/security/20230810-01/

/ 100

moderate-risk

Severity 30/34 · Critical

Exploitability 4/34 · Minimal

Exposure 14/34 · Moderate