Description
A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been rated as critical. Affected by this issue is the function fromDhcpSetSer of the file /goform/DhcpSetSe. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-262142 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
References (4)
Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.262142
Permissions Required, Third Party Advisory, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.262142
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.319836
Scores
CVSS v3
8.8
EPSS
0.0015
EPSS Percentile
34.6%
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/i21_firmware
1.0.0.14\(4656\)
Published
Apr 27, 2024
Tracked Since
Feb 18, 2026