What is CVE-2022-40864?

CVE-2022-40864 is a critical-severity vulnerability in Tendacn Ac15, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-09-23.

How severe is CVE-2022-40864?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-40864 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tendacn Ac15

CVE-2022-40864

Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function setSmartPowerManagement with the request /goform/PowerSaveSet

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tendacn Ac15
Tendacn Ac15_firmware — versions 15.03.05.19
Tendacn Ac18
Tendacn Ac18_firmware — versions 15.03.05.19
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-40864?: CVE-2022-40864 is a critical-severity vulnerability in Tendacn Ac15, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-09-23.
How severe is CVE-2022-40864?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-40864 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.