High severity · published Feb 14, 2022
CVE-2021-45392
A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes…
7.5
CVSS
12.3%
EPSS
No
On KEV
Description
A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.3% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ax12 Firmware · Tenda
22.03.01.21_cn · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45392
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45392
Broken Link
http://tendawifi.com/index.html
Exploit
https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/2
Vendor Advisory
https://www.tenda.com.cn/
Product
https://www.tenda.com.cn/product/AX12.html
More from Ax12 Firmware
9.8
CVE-2024-28383
Tenda AX12 v1.0 v22.03.01.16 was discovered to contain a stack overflow via the ssid parameter in the sub_431CF0 function
9.8
CVE-2023-49437
Tenda AX12 V22.03.01.46 has been discovered to contain a command injection vulnerability in the 'list' parameter at /goform/SetNetControlList
9.8
CVE-2023-49428
Tenda AX12 V22.03.01.46 has been discovered to contain a command injection vulnerability in the 'mac' parameter at /goform/SetOnlineDevName
9.8
CVE-2023-49426
Tenda AX12 V22.03.01.46 was discovered to contain a stack overflow via the list parameter at /goform/SetStaticRouteCfg
9.8
CVE-2023-49425
Tenda AX12 V22.03.01.46 was discovered to contain a stack overflow via the deviceList parameter at /goform/setMacFilterCfg