Description
A vulnerability was found in Tenda AC18 15.03.05.05 and classified as critical. Affected by this issue is the function formSetSpeedWan of the file /goform/SetSpeedWan. The manipulation of the argument speed_dir leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-256892. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
References (4)
Core 4
Core References
Exploit, Third Party Advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC18/setUsbUnload.md
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.256892
Permissions Required, Third Party Advisory, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.256892
Exploit, Third Party Advisory exploit
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC18/SetSpeedWan.md
Scores
CVSS v3
8.8
EPSS
0.0014
EPSS Percentile
33.0%
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-121
CWE-787
Status
published
Products (1)
tenda/ac18_firmware
15.03.05.05
Published
Mar 15, 2024
Tracked Since
Feb 18, 2026