Medium severity4.9NVD Advisory· Published Sep 5, 2023· Updated Jun 17, 2026
CVE-2021-40546
CVE-2021-40546
Description
Tenda AC6 US_AC6V4.0RTL_V02.03.01.26_cn.bin allows attackers (who have the administrator password) to cause a denial of service (device crash) via a long string in the wifiPwd_5G parameter to /goform/setWifi.
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Affected products
3- cpe:2.3:o:tenda:ac6_firmware:02.03.01.26:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- github.com/doudoudedi/buffer_overflow/blob/main/Tenda%20AC6%20V4.0-Denial%20of%20Service%20Vulnerability.mdnvdExploitThird Party Advisory
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