Buffer overflow in Tendacn Ac9

CVE-2023-40942

Tenda AC9 V3.0BR_V15.03.06.42_multi_TD01 was discovered stack overflow via parameter 'firewall_value' at url /goform/SetFirewallCfg.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.6th 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 Ac9 — versions 3.0
Tendacn Ac9_firmware — versions 15.03.06.42_multi_td0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2023-40942?: CVE-2023-40942 is a critical-severity vulnerability in Tendacn Ac9, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-09-07.
How severe is CVE-2023-40942?: Critical severity. CVSS v3 base score is 9.8 out of 10.