Vulnerability Details CVE-2021-28846
A Format String vulnerablity exists 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 due to a logic bug at address 0x40dcd0 when calling fprintf with "%s: key len = %d, too long\n" format. The two variables seem to be put in the wrong order. The vulnerability could be triggered by sending the POST request to apply_cgi with a long and unknown key in the request body.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 53.4%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.0
References
Products affected by CVE-2021-28846
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cpe:2.3:h:trendnet:tew-755ap2kac:-
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cpe:2.3:h:trendnet:tew-755ap:-
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cpe:2.3:h:trendnet:tew-821dap2kac:-
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cpe:2.3:h:trendnet:tew-825dap:-
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cpe:2.3:o:trendnet:tew-755ap2kac_firmware:1.11b03
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cpe:2.3:o:trendnet:tew-755ap_firmware:1.11b03
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cpe:2.3:o:trendnet:tew-821dap2kac_firmware:1.11b03
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cpe:2.3:o:trendnet:tew-825dap_firmware:1.11b03