CVE-2026-4961
HIGHTenda AC6 POST Request QuickIndex formQuickIndex stack-based overflow
Title source: cnaDescription
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.
References (5)
Core 5
Core References
Product product
https://www.tenda.com.cn/
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-353838 | Tenda AC6 POST Request QuickIndex formQuickIndex stack-based overflow
https://vuldb.com/?id.353838
Signature, Permissions Required signature
permissions-required
VDB-353838 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?ctiid.353838
Third Party Advisory third-party-advisory
Submit #777617 | Tenda AC6 AC6 V1.0 V15.03.05.16 Buffer Overflow
https://vuldb.com/?submit.777617
Scores
CVSS v3
8.8
EPSS
0.0077
EPSS Percentile
50.8%
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
CWE-787
Status
published
Products (2)
Tenda/AC6
15.03.05.16
tenda/ac6_firmware
15.03.05.16
Published
Mar 27, 2026
Tracked Since
Mar 29, 2026