Buffer overflow in Tenda Ax3

CVE-2023-27239

Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the shareSpeed parameter at /goform/WifiGuestSet.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.2th 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

Tenda Ax3
Tenda Ax3_firmware — versions 16.03.12.11
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2023-27239?: CVE-2023-27239 is a critical-severity vulnerability in Tenda Ax3, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-03-15.
How severe is CVE-2023-27239?: Critical severity. CVSS v3 base score is 9.8 out of 10.