CVE-2026-2139 Details
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.
A buffer overflow vulnerability has been identified in the Tenda TX9 router, specifically in the version through 22.03.02.10_multi. The issue arises in the function sub_432580 within the file /goform/fast_setting_wifi_set. The vulnerability can be exploited remotely by manipulating the 'ssid' parameter, leading to potential denial-of-service conditions or arbitrary code execution.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 10, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/fast_setting_wifi_set.md | [email protected] | ExploitThird Party Advisory |
| https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/fast_setting_wifi_set.md#poc | [email protected] | Exploit |
| https://vuldb.com/?ctiid.344774 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.344774 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.747250 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda tx9 firmware | <= 22.03.02.10 |
CPE
Remediation
| |
| tenda tx9 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 10, 2026 | Initial Analysis | [email protected] |
| Feb 8, 2026 | New CVE Received | [email protected] |