Tenda Ac21 Firmware vulnerabilities
29 known vulnerabilities affecting tenda/ac21_firmware.
Total CVEs
29
CISA KEV
0
Public exploits
0
Exploited in wild
0
Severity breakdown
CRITICAL4HIGH19MEDIUM6
Vulnerabilities
Page 2 of 2
CVE-2022-40074P3HIGHCVSS 7.5v16.03.08.152022-09-19
CVE-2022-40074 [HIGH] CWE-787 CVE-2022-40074: Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, setSchedWifi.
Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, setSchedWifi.
nvd
CVE-2022-40075P3HIGHCVSS 7.5v16.03.08.152022-09-19
CVE-2022-40075 [HIGH] CWE-787 CVE-2022-40075: Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, form_fast_setting_wifi_set
Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, form_fast_setting_wifi_set.
nvd
CVE-2022-40071P3HIGHCVSS 7.5v16.03.08.152022-09-19
CVE-2022-40071 [HIGH] CWE-787 CVE-2022-40071: Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, formSetDeviceName.
Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, formSetDeviceName.
nvd
CVE-2026-2147P3MEDIUMCVSS 5.3v16.03.08.162026-02-08
CVE-2026-2147 [MEDIUM] CWE-200 CVE-2026-2147: A weakness has been identified in Tenda AC21 16.03.08.16. This impacts an unknown function of the fi
A weakness has been identified in Tenda AC21 16.03.08.16. This impacts an unknown function of the file /cgi-bin/DownloadLog of the component Web Management Interface. Executing a manipulation can lead to information disclosure. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
nvd
CVE-2025-65222P4MEDIUMCVSS 4.3v16.03.08.162025-11-20
CVE-2025-65222 [MEDIUM] CWE-121 CVE-2025-65222: Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the rebootTime parameter of /goform/Set
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the rebootTime parameter of /goform/SetSysAutoRebbotCfg.
nvd
CVE-2025-65221P4MEDIUMCVSS 4.3v16.03.08.162025-11-20
CVE-2025-65221 [MEDIUM] CWE-121 CVE-2025-65221: Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUs
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.
nvd
CVE-2025-65223P4MEDIUMCVSS 4.3v16.03.08.162025-11-20
CVE-2025-65223 [MEDIUM] CWE-121 CVE-2025-65223: Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the urls parameter of /goform/saveParen
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the urls parameter of /goform/saveParentControlInfo.
nvd
CVE-2025-65220P4MEDIUMCVSS 4.3v16.03.08.162025-11-20
CVE-2025-65220 [MEDIUM] CWE-121 CVE-2025-65220: Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow in: /goform/SetVirtualServerCfg via the lis
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow in: /goform/SetVirtualServerCfg via the list parameter.
nvd
CVE-2025-65226P4MEDIUMCVSS 4.3v16.03.08.162025-11-20
CVE-2025-65226 [MEDIUM] CWE-120 CVE-2025-65226: Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveP
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveParentControlInfo.
nvd
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