What is CVE-2022-38309?

CVE-2022-38309 is a critical-severity vulnerability in Tenda Ac18, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-09-07.

How severe is CVE-2022-38309?

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

Buffer overflow in Tenda Ac18

CVE-2022-38309

Tenda AC18 router v15.03.05.19 and v15.03.05.05 was discovered to contain a stack overflow via the list parameter at /goform/SetVirtualServerCfg.

Vulnerability class: Buffer Overflow

Published 2022-09-07 · 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: 0.011 (65.2th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000

Affected products

Tenda Ac18
Tenda Ac18 Firmware — versions 15.03.05.19\(6318\), 15.03.05.19(6318), 15.03.05.05

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/rickytriky/NWPU_Projct/tree/main/Tenda/AC18/4 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-38309?: CVE-2022-38309 is a critical-severity vulnerability in Tenda Ac18, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-09-07.
How severe is CVE-2022-38309?: Critical severity. CVSS v3 base score is 9.8 out of 10.