CVE-2026-5609 Details
Description
A flaw has been found in Tenda i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component Parameter Handler. This manipulation of the argument index/wl_radio causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.
A stack-based buffer overflow vulnerability has been identified in the Tenda i12 router, specifically in version 1.0.0.11(3862). The issue arises in the Parameter Handler component, within the formwrlSSIDset function of the /goform/wifiSSIDset file. The vulnerability is triggered by manipulating the wl_radio and index parameters, which leads to an overflow of the stack-based buffer. This flaw can be exploited remotely, potentially allowing for a denial-of-service attack 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 Apr 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Litengzheng/vuldb_new/blob/main/i12/vul_107/README.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/785337 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/355400 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/355400/cti | [email protected] | Permissions RequiredVDB 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-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda i12 firmware | 1.0.0.11(3862) |
CPE
Remediation
| |
| tenda i12 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 30, 2026 | Initial Analysis | [email protected] |
| Apr 6, 2026 | New CVE Received | [email protected] |