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CRITICAL

CVE-2022-40869

CVSS v3

9.8

CRITICAL

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function fromDhcpListClient with a combined parameter "list*" ("%s%d","list").

Technical details

Published
2022-09-23

Frequently asked questions

What is CVE-2022-40869?

Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function fromDhcpListClient with a combined parameter "list*" ("%s%d","list").

Is CVE-2022-40869 actively exploited?

Active exploitation of CVE-2022-40869 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-40869?

CVE-2022-40869 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2022-40869 affecting your environment?

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