Skip to content
Fencer Vulns
high 8.8

CVE-2023-39455 json

OS command injection vulnerability in ELECOM wireless LAN routers allows an authenticated user to execute an arbitrary OS command by sendin…

published 2023-08-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43178

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

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.

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • ELECOM CO.,LTD. WRC-600GHBK-A
  • ELECOM CO.,LTD. WRC-1467GHBK-A
  • ELECOM CO.,LTD. WRC-1900GHBK-A
  • ELECOM CO.,LTD. WRC-733FEBK2-A
  • ELECOM CO.,LTD. WRC-F1167ACF2
  • ELECOM CO.,LTD. WRC-1467GHBK-S
  • ELECOM CO.,LTD. WRC-1900GHBK-S

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.