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Fencer Vulns
medium 6.8

CVE-2024-34021 json

Unrestricted upload of file with dangerous type vulnerability exists in ELECOM wireless LAN routers.

published 2024-08-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-35146

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

Unrestricted upload of file with dangerous type vulnerability exists in ELECOM wireless LAN routers. A specially crafted file may be uploaded to the affected product by a logged-in user with an administrative privilege, resulting in an arbitrary OS command execution.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA ADP 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • ELECOM CO.,LTD. WRC-1167GST2
  • ELECOM CO.,LTD. WRC-2533GS2V-B
  • ELECOM CO.,LTD. WRC-2533GS2-B
  • ELECOM CO.,LTD. WRC-2533GS2-W
  • ELECOM CO.,LTD. WRC-2533GST2
  • ELECOM CO.,LTD. WRC-1167GS2-B
  • ELECOM CO.,LTD. WRC-1167GS2H-B
  • ELECOM CO.,LTD. WRC-X3200GST3-B
  • ELECOM CO.,LTD. WRC-G01-W
  • ELECOM CO.,LTD. WMC-2LX-B
  • ELECOM CO.,LTD. WMC-X1800GST-B
  • elecom wrc-2533gs2v-b_firmware
  • elecom wrc-2533gs2-b_firmware
  • elecom wrc-2533gs2-w_firmware
  • elecom wrc-2533gst2_firmware

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.