Vulnerability Description
A vulnerability in the debug shell of Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series could allow an authenticated, local attacker to access sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials with SSH access on the affected device. SSH access is disabled by default. This vulnerability is due to insufficient validation of user-supplied input by the debug shell of an affected device. An attacker could exploit this vulnerability by sending a crafted SSH client command to the CLI. A successful exploit could allow the attacker to access sensitive information on the underlying operating system.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Video Phone 8875 Firmware | < 3.3\(1\) |
| Cisco | Video Phone 8875 | - |
| Cisco | Desk Phone 9871 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9871 | - |
| Cisco | Desk Phone 9841 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9841 | - |
| Cisco | Desk Phone 9851 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9851 | - |
| Cisco | Desk Phone 9861 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9861 | - |
Related Weaknesses (CWE)
References
FAQ
What is CVE-2025-20158?
CVE-2025-20158 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A vulnerability in the debug shell of Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series could allow an authenticated, local attacker to access sensitive information on an affected device. To exp...
How severe is CVE-2025-20158?
CVE-2025-20158 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-20158?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Video Phone 8875 Firmware, Cisco Video Phone 8875, Cisco Desk Phone 9871 Firmware, Cisco Desk Phone 9871, Cisco Desk Phone 9841 Firmware.