CVE-2026-104611

critical

Description

A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

References

https://www.tenda.com.cn/

https://vuldb.com/vuln/412918/cti

https://vuldb.com/vuln/412918

https://vuldb.com/submit/962720

https://vuldb.com/cve/CVE-2026-104611

https://github.com/ZaneBoden/CVEs/blob/main/Tenda-AC9-fast_setting_internet_set.md

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91579

Details

Source: Mitre, NVD

Published: 2026-10-02

Updated: 2026-10-02

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.4

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Severity: Critical

EPSS

EPSS: 0.00493