High severity · published Aug 10, 2021
CVE-2021-28843
Null Pointer Dereference vulnerability exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03 by sending the POST request to…
7.5
CVSS
1%
EPSS
No
On KEV
Description
Null Pointer Dereference vulnerability exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03 by sending the POST request to apply_cgi with an unknown action name.
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)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tew-755ap Firmware · Trendnet
1.11b03 · source: NVD
TF
Tew-755ap2kac Firmware · Trendnet
1.11b03 · source: NVD
TF
Tew-821dap2kac Firmware · Trendnet
1.11b03 · source: NVD
TF
Tew-825dap Firmware · Trendnet
1.11b03 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28843
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28843
Third Party Advisory
https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf
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CVE-2022-46601
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CVE-2022-46600
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9.8
CVE-2022-46599
TRENDnet TEW755AP 1.13B01 was discovered to contain a stack overflow via the setlogo_num parameter in the icp_setlogo_img (sub_41DBF4) function