CVE-2026-6016

HIGH

Tenda AC9 POST Request WizardHandle decodePwd stack-based overflow

Title source: cna
STIX 2.1

Description

A vulnerability was found in Tenda AC9 15.03.02.13. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Performing a manipulation of the argument WANS results in stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made public and could be used.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-356572 | Tenda AC9 POST Request WizardHandle decodePwd stack-based overflow
https://vuldb.com/vuln/356572
Signature, Permissions Required signature permissions-required
VDB-356572 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/356572/cti
Third Party Advisory third-party-advisory
Submit #791829 | Tenda AC9 AC9 V1.0 V15.03.02.13 Buffer Overflow
https://vuldb.com/submit/791829
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0084
EPSS Percentile 52.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (2)
Tenda/AC9 15.03.02.13
tenda/ac9_firmware 15.03.02.13
Published Apr 10, 2026
Tracked Since Apr 10, 2026