Cyber Resilience

CVE-2021-44971

Critical

Published: 28 January 2022

Published
28 January 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0199 84.0th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-44971 is a critical-severity Incorrect Comparison (CWE-697) vulnerability in Tenda Ac15 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 16.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tenda
ac15 firmware
15.03.05.20_multi
tenda
ac5 firmware
15.03.06.48_multi

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References