#VU114782 Improper access control in Cisco Systems, Inc products - CVE-2025-20335
Published: September 4, 2025
Vulnerability identifier: #VU114782
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-20335
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Desk Phone 9800 Series
Cisco IP Phone 8800 Series
Video Phone 8875
IP Phone 7800 Series
SIP IP Phone Software
Desk Phone 9800 Series
Cisco IP Phone 8800 Series
Video Phone 8875
IP Phone 7800 Series
SIP IP Phone Software
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to a lack of proper authentication controls in the directory permissions. A remote attacker can send a specially crafted request and write arbitrary files on the target device.
Remediation
Install updates from vendor's website.