What is CVE-2022-43104?

CVE-2022-43104 is a critical-severity vulnerability in Tenda Ac23, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-11-03.

How severe is CVE-2022-43104?

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

Is CVE-2022-43104 known to be exploited?

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

Buffer overflow in Tenda Ac23

CVE-2022-43104

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the wpapsk_crypto parameter in the fromSetWirelessRepeat function.

Vulnerability class: Buffer Overflow

Published 2022-11-03 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.010 (60.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000

Affected products

Tenda Ac23
Tenda Ac23 Firmware — versions 16.03.07.45_cn

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/ppcrab/IOT_FIRMWARE/blob/main/Tenda/ac23/ac23.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-43104?: CVE-2022-43104 is a critical-severity vulnerability in Tenda Ac23, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-11-03.
How severe is CVE-2022-43104?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-43104 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.