2021-28841 | TRENDnet TEW-755AP/TEW-755AP2KAC/TEW-821DAP2KAC/TEW-825DAP POST Request apply_cgi ping_test null pointer dereference
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A vulnerability, which was classified as problematic, was found in TRENDnet TEW-755AP, TEW-755AP2KAC, TEW-821DAP2KAC and TEW-825DAP 1.11B03. Affected is the function
ping_test of the file apply_cgi of the component POST Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-476. This is going to have an impact on availability. CVE summarizes:
Null Pointer Dereference vulnerability in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial of service by sending a POST request to apply_cgi via an action ping_test without a ping_ipaddr key.
The weakness was shared 08/11/2021. The advisory is available at github.com. This vulnerability is traded as CVE-2021-28841 since 03/19/2021. It is possible to launch the attack remotely. A authentication is needed for exploitation. Technical details are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2
Status: Not defined
0-Day Time: 🔒
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