Buffer overflow in Tenda Tx3

CVE-2022-43027

Tenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the firewallEn parameter at /goform/SetFirewallCfg.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (50.5th 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 Tx3
Tenda Tx3_firmware — versions 16.03.13.11
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2022-43027?: CVE-2022-43027 is a critical-severity vulnerability in Tenda Tx3, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-10-19.
How severe is CVE-2022-43027?: Critical severity. CVSS v3 base score is 9.8 out of 10.