Ip Phone 7821 Firmware
19 CVEs tracked. 1 of them are in CISA KEV.
This hub aggregates every CVE we track for Ip Phone 7821 Firmware, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
Ip Phone 7821 Firmware CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 2 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 2 |
| 2025-10 | 2 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 19 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical3
- High5
- Medium11
Latest CVEs
The 15 most recently published vulnerabilities affecting Ip Phone 7821 Firmware.
- CVE-2025-20351Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Cross-Site Scripting Vulnerability6.1
- CVE-2025-20350Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Denial of Service Vulnerability7.5
- CVE-2025-20335Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Arbitrary File Write Vulnerability5.3
- CVE-2025-20336Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability5.3
- CVE-2021-1379Cisco IP Phones Cisco Discovery Protocol and Link Layer Discovery Protocol Remote Code Execution and Denial of Service Vulnerabilities6.5
- CVE-2024-20445Cisco IP Phone 7800, 8800, and 9800 Series Information Disclosure Vulnerability5.3
- CVE-2023-20078Cisco IP Phone 6800, 7800, 7900, and 8800 Series Web UI Vulnerabilities9.8
- CVE-2023-20079Cisco IP Phone 6800, 7800, 7900, and 8800 Series Web UI Vulnerabilities9.8
- CVE-2023-20018A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. ...8.6
- CVE-2022-20968A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent attacker to cause a stack overflow on an ...8.1
- CVE-2022-20774Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware Cross-Site Request Forgery Vulnerability6.8
- CVE-2022-20660Cisco IP Phones Information Disclosure Vulnerability4.6
- CVE-2021-34711Cisco IP Phone Software Arbitrary File Read Vulnerability5.5
- CVE-2020-3161Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability9.8
- CVE-2020-3111Cisco IP Phone Remote Code Execution and Denial of Service Vulnerability8.8
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