Cyber Resilience

CVE-2023-39455

HighRCE

Published: 18 August 2023

Published
18 August 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0143 81.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-39455 is a high-severity OS Command Injection (CWE-78) vulnerability in Elecom Wrc-600Ghbk-A Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 18.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

versions, WRC-733FEBK2-A all versions, WRC-F1167ACF2 all versions, WRC-1467GHBK-S all versions, and WRC-1900GHBK-S all versions.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

elecom
wrc-600ghbk-a firmware
all versions
elecom
wrc-1467ghbk-a firmware
all versions
elecom
wrc-1900ghbk-a firmware
all versions
elecom
wrc-733febk2-a firmware
all versions
elecom
wrc-f1167acf2 firmware
all versions
elecom
wrc-1467ghbk-s firmware
all versions
elecom
wrc-1900ghbk-s firmware
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References