CVE Tools

Ip Phone 8821 Firmware

14 CVEs tracked. 1 of them are in CISA KEV.

This hub aggregates every CVE we track for Ip Phone 8821 Firmware, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Ip Phone 8821 Firmware CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Ip Phone 8821 Firmware CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-092
2025-102
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 14 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical17%
  • High643%
  • Medium536%
  • Low214%

Latest CVEs

The 14 most recently published vulnerabilities affecting Ip Phone 8821 Firmware.

  1. 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
  2. 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
  3. 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
  4. CVE-2025-20336Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability5.3
  5. 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
  6. CVE-2020-26139An issue was discovered in the kernel in NetBSD 7.1. An Access Point (AP) forwards EAPOL frames to other clients even though the sender has not yet successfully authenticated to the AP. This might ...5.3
  7. CVE-2020-26140An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext frames in a protected Wi-Fi network. An adversary can a...6.5
  8. CVE-2020-24587The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that all fragments of a frame are encrypted under the same key. An...2.6
  9. CVE-2020-24588The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the A-MSDU flag in the plaintext QoS header field is authenti...3.5
  10. CVE-2020-3161Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability9.8
  11. CVE-2019-1716Cisco IP Phone 7800 Series and 8800 Series Remote Code Execution Vulnerability7.5
  12. CVE-2019-1763Cisco IP Phone 8800 Series Authorization Bypass Vulnerability7.5
  13. CVE-2019-1764Cisco IP Phone 8800 Series Cross-Site Request Forgery Vulnerability8.1
  14. CVE-2019-1765Cisco IP Phone 8800 Series Path Traversal Vulnerability8.1

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