CVE-2021-44971

9.8 criticalEPSS 2.1%

Critical (9.8) in tenda. EPSS 2.1% chance of exploitation in the next 30 days.

Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05.20_multi?AC5V1.0 Firmware V15.03.06.48_multi and so on. an attacker can obtain sensitive information, and even combine it with authenticated command injection to implement RCE.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-697
Published: 2022-01-28
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

tenda:ac15_firmware
tenda:ac5_firmware

References

https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md
https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md

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