What is CVE-2023-40798?

CVE-2023-40798 is a high-severity vulnerability in Tenda Ac23, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2023-08-25.

How severe is CVE-2023-40798?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Tenda Ac23

CVE-2023-40798

In Tenda AC23 v16.03.07.45_cn, the formSetIPv6status and formGetWanParameter functions do not authenticate user input parameters, resulting in a post-authentication stack overflow vulnerability.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (52.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tenda Ac23
Tenda Ac23_firmware — versions 16.03.07.45_cn
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2023-40798?: CVE-2023-40798 is a high-severity vulnerability in Tenda Ac23, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2023-08-25.
How severe is CVE-2023-40798?: High severity. CVSS v3 base score is 8.8 out of 10.