CVE-2021-45392

7.5 highEPSS 12%

High (7.5) in tenda ax12 firmware. EPSS 12% chance of exploitation in the next 30 days.

A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 12% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2022-02-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenda:ax12_firmware

References

http://tendawifi.com/index.html
https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/2
https://www.tenda.com.cn/
https://www.tenda.com.cn/product/AX12.html
http://tendawifi.com/index.html

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