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VULNERABILITIES

CVE-2021-38703 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://7bits.nl/journal/posts/cve-2021-38703-kpn-experia-wifi-root-shell/ CVEExploitThird Party Advisory
https://www.kpnwebshop.com/modems-routers/producten/experia-wifi/2 CVEVendor Advisory
https://7bits.nl/journal/posts/cve-2021-38703-kpn-experia-wifi-root-shell/ [email protected]ExploitThird Party Advisory
https://www.kpnwebshop.com/modems-routers/producten/experia-wifi/2 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
kpn experia wifi firmware
1.00.15

CPE

  • cpe:2.3:o:kpn:experia_wifi_firmware:1.00.15:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
kpn experia wifi
All versions

CPE

  • cpe:2.3:h:kpn:experia_wifi:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-38703
NVD Published Date:
Sep 1, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]