CVE-2026-6015

HIGH

Tenda AC9 POST Request QuickIndex formQuickIndex stack-based overflow

Title source: cna
STIX 2.1

Description

A vulnerability has been found in Tenda AC9 15.03.02.13. Impacted is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. Such manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-356571 | Tenda AC9 POST Request QuickIndex formQuickIndex stack-based overflow
https://vuldb.com/vuln/356571
Signature, Permissions Required signature permissions-required
VDB-356571 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/356571/cti
Third Party Advisory third-party-advisory
Submit #791828 | Tenda AC9 AC9 V1.0 V15.03.02.13 Buffer Overflow
https://vuldb.com/submit/791828
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0081
EPSS Percentile 52.0%
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