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CRITICAL

CVE-2022-27022

CVSS v3

9.8

CRITICAL

EPSS Score

1.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.

Technical details

Published
2022-04-07

Frequently asked questions

What is CVE-2022-27022?

There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.

Is CVE-2022-27022 actively exploited?

Active exploitation of CVE-2022-27022 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-27022?

CVE-2022-27022 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2022-27022 affecting your environment?

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