CVE-2026-4961 Details
Description
A vulnerability was identified in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.
A stack-based buffer overflow vulnerability has been identified in the Tenda AC6 router, specifically in the version 15.03.05.16. The issue arises in the 'formQuickIndex' function within the POST request handler, where the 'PPPOEPassword' parameter can be manipulated, leading to the overflow. This vulnerability can be exploited remotely, and a public exploit is available.
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 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://lavender-bicycle-a5a.notion.site/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.353838 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.353838 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.777617 | [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 ac6 firmware | 15.03.05.16 |
CPE
Remediation
| |
| tenda ac6 | 1.0 |
CPE
Remediation
| |
Change History
5 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 | CVE Modified | [email protected] |
| Mar 27, 2026 | New CVE Received | [email protected] |