High severity · published Apr 27, 2024
CVE-2024-4248
A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical. This issue affects the function formQosManage_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The associated identifier of this vulnerability is VDB-262139. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IF
I21 Firmware · Tenda
1.0.0.14(4656) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-4248
Broken Link
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManage_user.md
Permissions Required
https://vuldb.com/?ctiid.262139
Third Party Advisory
https://vuldb.com/?id.262139
Third Party Advisory
https://vuldb.com/?submit.319833
More from I21 Firmware
9.8
CVE-2022-44367
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setUplinkInfo
9.8
CVE-2022-44366
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setDiagnoseInfo
9.8
CVE-2022-44365
Tenda i21 V1.0.0.14(4656) has a stack overflow vulnerability via /goform/setSysPwd
9.8
CVE-2022-44363
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setSnmpInfo
9.8
CVE-2022-44362
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/AddSysLogRule