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CVE

CWE

Training

CVE-2026-2139

Published: Feb 8, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A vulnerability was determined in Tenda TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the function sub_432580 of the file /goform/fast_setting_wifi_set. This manipulation of the argument ssid causes buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Vendor	Product	Versions
Tenda	TX9	affected `22.03.02.10_multi`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-344774 | Tenda TX9 fast_setting_wifi_set sub_432580 buffer overflow

vdb-entry

technical-description

VDB-344774 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #747250 | Tenda TX9 V22.03.02.10_multi Buffer Overflow

third-party-advisory

https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/fast_setting_wifi_set.md

related

https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/fast_setting_wifi_set.md#poc

exploit

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

product

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