Tenda: >> Ac21 Firmware >> 16.03.08.16 Security Vulnerabilities
A security vulnerability has been detected in Tenda AC21 16.03.08.16. Affected is an unknown function of the file /cgi-bin/DownloadFlash of the component Web Management Interface. The manipulation leads to information disclosure. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-02-08
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.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-02-08
A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16. The impacted element is the function mDMZSetCfg of the file /goform/mDMZSetCfg. The manipulation of the argument dmzIp results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
CVSS Score
6.3
EPSS Score
0.002
Published
2026-01-30
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
CVSS Score
8.8
EPSS Score
0.0
Published
2026-01-29
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow in: /goform/SetVirtualServerCfg via the list parameter.
CVSS Score
4.3
EPSS Score
0.0
Published
2025-11-20
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.
CVSS Score
4.3
EPSS Score
0.0
Published
2025-11-20
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the rebootTime parameter of /goform/SetSysAutoRebbotCfg.
CVSS Score
4.3
EPSS Score
0.0
Published
2025-11-20
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the urls parameter of /goform/saveParentControlInfo.
CVSS Score
4.3
EPSS Score
0.0
Published
2025-11-20
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveParentControlInfo.
CVSS Score
4.3
EPSS Score
0.0
Published
2025-11-20
A flaw has been found in Tenda AC21 16.03.08.16. This affects an unknown part of the file /goform/SetIpMacBind. Executing a manipulation of the argument list can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.
CVSS Score
8.8
EPSS Score
0.002
Published
2025-11-20
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