A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device.

This vulnerability exists because the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. An attacker could exploit this vulnerability by sending a crafted packet to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information from the device.
Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-26613 A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability exists because the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. An attacker could exploit this vulnerability by sending a crafted packet to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information from the device. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 05 Jan 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco desk Phone 9841
Cisco desk Phone 9841 Firmware
Cisco desk Phone 9851
Cisco desk Phone 9851 Firmware
Cisco desk Phone 9861
Cisco desk Phone 9861 Firmware
Cisco desk Phone 9871
Cisco desk Phone 9871 Firmware
Cisco ip Phone 7811
Cisco ip Phone 7811 Firmware
Cisco ip Phone 7821
Cisco ip Phone 7821 Firmware
Cisco ip Phone 7841
Cisco ip Phone 7841 Firmware
Cisco ip Phone 7861
Cisco ip Phone 7861 Firmware
Cisco ip Phone 8811
Cisco ip Phone 8811 Firmware
Cisco ip Phone 8821
Cisco ip Phone 8821 Firmware
Cisco ip Phone 8841
Cisco ip Phone 8841 Firmware
Cisco ip Phone 8845
Cisco ip Phone 8845 Firmware
Cisco ip Phone 8851
Cisco ip Phone 8851 Firmware
Cisco ip Phone 8851nr
Cisco ip Phone 8851nr Firmware
Cisco ip Phone 8861
Cisco ip Phone 8861 Firmware
Cisco ip Phone 8865
Cisco ip Phone 8865 Firmware
Cisco video Phone 8875 Firmware
CPEs cpe:2.3:h:cisco:desk_phone_9841:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:desk_phone_9851:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:desk_phone_9861:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:desk_phone_9871:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8821:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8851nr:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:video_phone_8875:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9841_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9851_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9861_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9871_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7811_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7811_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7821_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7821_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7821_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7841_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7841_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7841_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7861_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7861_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7861_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8811_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8811_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8821_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr2:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr4:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr5:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8821_firmware:11.0\(6\):sr6:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8841_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8841_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8845_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8845_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8851_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8851_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8851nr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8851nr_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8851nr_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8861_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8861_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8865_firmware:14.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8865_firmware:14.3\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:video_phone_8875_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:video_phone_8875_firmware:2.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:video_phone_8875_firmware:2.3\(1\):sr1:*:*:*:*:*:*
Vendors & Products Cisco desk Phone 9841
Cisco desk Phone 9841 Firmware
Cisco desk Phone 9851
Cisco desk Phone 9851 Firmware
Cisco desk Phone 9861
Cisco desk Phone 9861 Firmware
Cisco desk Phone 9871
Cisco desk Phone 9871 Firmware
Cisco ip Phone 7811
Cisco ip Phone 7811 Firmware
Cisco ip Phone 7821
Cisco ip Phone 7821 Firmware
Cisco ip Phone 7841
Cisco ip Phone 7841 Firmware
Cisco ip Phone 7861
Cisco ip Phone 7861 Firmware
Cisco ip Phone 8811
Cisco ip Phone 8811 Firmware
Cisco ip Phone 8821
Cisco ip Phone 8821 Firmware
Cisco ip Phone 8841
Cisco ip Phone 8841 Firmware
Cisco ip Phone 8845
Cisco ip Phone 8845 Firmware
Cisco ip Phone 8851
Cisco ip Phone 8851 Firmware
Cisco ip Phone 8851nr
Cisco ip Phone 8851nr Firmware
Cisco ip Phone 8861
Cisco ip Phone 8861 Firmware
Cisco ip Phone 8865
Cisco ip Phone 8865 Firmware
Cisco video Phone 8875 Firmware

Thu, 04 Sep 2025 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco ip Phone 7800
Cisco ip Phone 8800
Cisco ip Phone 9800
Cisco session Initiation Protocol \(sip\) Firmware
Cisco video Phone 8875
Vendors & Products Cisco
Cisco ip Phone 7800
Cisco ip Phone 8800
Cisco ip Phone 9800
Cisco session Initiation Protocol \(sip\) Firmware
Cisco video Phone 8875

Wed, 03 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Sep 2025 17:45:00 +0000

Type Values Removed Values Added
Description A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability exists because the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. An attacker could exploit this vulnerability by sending a crafted packet to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information from the device. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.
Title Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2025-09-03T17:57:31.207Z

Reserved: 2024-10-10T19:15:13.255Z

Link: CVE-2025-20336

cve-icon Vulnrichment

Updated: 2025-09-03T17:57:16.149Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-03T18:15:34.637

Modified: 2026-01-05T14:49:30.253

Link: CVE-2025-20336

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-04T13:12:17Z

Weaknesses