PT-2021-22264 · Arcadyan · Arcadyan-Derived Firmware

Peter Van Dijk · Published 2021-09-01 · Updated 2023-08-08 · CVE-2021-38703

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Arcadyan-derived firmware versions (affected versions not specified)

Description The issue concerns improper sanitization of user input to the syslog configuration form in certain wireless devices running Arcadyan-derived firmware. This can be exploited by an authenticated remote attacker to alter device configuration and potentially achieve remote code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2021-38703

Affected Products

Arcadyan-Derived Firmware

References · 4

• 🔥 https://7bits.nl/journal/posts/cve-2021-38703-kpn-experia-wifi-root-shell · Exploit
• https://osv.dev/vulnerability/CVE-2021-38703 · Vendor Advisory
• https://kpnwebshop.com/modems-routers/producten/experia-wifi/2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38703 · Security Note