Read the docs
TI-2021-16273 Aliases CVE-2021-38703GHSA-c387-pvvx-p3vq

Wireless devices running certain Arcadyan-derived firmware (such as KPN Experia WiFi…

Priority MEDIUM 45Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Wireless devices running certain Arcadyan-derived firmware (such as KPN Experia WiFi 1.00.15) do not properly sanitise user input to the syslog configuration form. An authenticated remote attacker could leverage this to alter the device configuration and achieve remote code execution. This can be exploited in conjunction with CVE-2021-20090.

Why it matters now

EPSS 0.0432 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:kpn:experia_wifi_firmware:1.00.15:*:*:*:*:*:*:*1.00.15VulnerableKpn
cpe:2.3:h:kpn:experia_wifi:-:*:*:*:*:*:*:*not specified by NVDRunning onKpn
  • cpe:2.3:o:kpn:experia_wifi_firmware:1.00.15:*:*:*:*:*:*:* Versions 1.00.15 Vulnerable ·Kpn
  • cpe:2.3:h:kpn:experia_wifi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Kpn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38703
  2. 2026-10-03 Alias added: GHSA-c387-pvvx-p3vq

References

Exploit 1

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences