CVE-2026-2139
Tenda TX9 fast_setting_wifi_set sub_432580 buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Feb 8, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 6, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | 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 | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
TX9Tenda |
|
References
- VDB-344774 | Tenda TX9 fast_setting_wifi_set sub_432580 buffer overflowvdb-entrytechnical-description
- VDB-344774 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #747250 | Tenda TX9 V22.03.02.10_multi Buffer Overflowthird-party-advisory
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/fast_setting_wifi_set.mdrelated
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/fast_setting_wifi_set.md#pocexploit
- https://www.tenda.com.cn/product
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.