Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Vulnerabilities
Multiple vulnerabilities in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 with Cisco Session Initiation Protocol (SIP) Software could allow an unauthenticated, remote attacker to conduct arbitrary file write and information disclosure attacks on an affected device. Note: To exploit these vulnerabilities, Web Access must be enabled on the phone. Web Access is disabled by default. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-20336US | high7.5 | — | ||
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… | ||||
| CVE-2025-20335US | — | — | ||
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… | ||||
references
External citations — patches, advisories, analysis.
- Security Vulnerability Policyexternal
- CSCwn51677external
- CSCwn51679external
- CSCwn52909external
- CSCwn52910external
- CSCwn52911external
- CSCwn52913external
- CSCwn52919external
remediations (2)
- FixedCisco Session Initiation Protocol (SIP) Software
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco Session Initiation Protocol (SIP) Software
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
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