CVE-2026-4906 Details
Description
A vulnerability was determined in Tenda AC5 15.03.06.47. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
A stack-based buffer overflow vulnerability has been identified in the Tenda AC5 router, specifically in the firmware version 15.03.06.47. The issue arises in the POST request handler, within the 'decodePwd' function of the '/goform/WizardHandle' file. The vulnerability can be exploited remotely by manipulating the 'WANT' or 'WANS' parameters, leading to potential unauthorized memory access and execution of arbitrary code.
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 Mar 30, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://lavender-bicycle-a5a.notion.site/Tenda_AC5_WizardHandle_PPW-32053a41781f80cab094d750d30dc9a8?source=copy_link | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.353657 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.353657 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.777394 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| 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 ac5 firmware | 15.03.06.47 |
CPE
Remediation
| |
| tenda ac5 | 1.0 |
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 |
| Mar 31, 2026 | Initial Analysis | [email protected] |
| Mar 27, 2026 | New CVE Received | [email protected] |