CVE-2021-28841 Null dereference in n/a

High 7.5 Published Updated

Remote attackers can cause denial of service on TRENDnet access points by sending a malformed POST request to the apply_cgi endpoint.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-28841?

CVE-2021-28841 is a high-severity vulnerability in n/a, published on 10 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2021-28841?

It affects 4 products.

Products include Trendnet Tew-755ap2kac Firmware, Trendnet Tew-755ap Firmware, Trendnet Tew-821dap2kac Firmware, Trendnet Tew-825dap Firmware.

How do I fix CVE-2021-28841?

No fix has been published for CVE-2021-28841 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-28841 being exploited?

There is no known exploitation of CVE-2021-28841 in the wild and no public exploit code.

Sources

Also known as GHSA-j9m5-9hh2-x6cr.

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