| Title | D-Link DIR-816L DIR816L_REVB_FW_2_06_b09_beta Stack-based Buffer Overflow |
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| Description | gena.cgi have a stack overflow vulnerability, in the genacgi_main function, REQUEST_URI is an externally controllableinput. when service=UNSUBSCRIBE jump to the sub_4134E0 function, thevariables SERVER_ID and HTTP_SID within this function are also externallycontrollable input. On line 11 in the sub_4134E0 , the use of sprintf for stringconcatenation introduces a stack overflow vulnerability..The vendor has been contacted, vendor has confirmed and will issue an announcement.
Reporter: Lexpl0it、fcgboy、[email protected]、75Acol |
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| Source | ⚠️ https://github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(gena.cgi).pdf |
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| User | Lexpl0it (UID 89340) |
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| Submission | 10/30/2025 04:03 (7 months ago) |
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| Moderation | 11/14/2025 14:14 (15 days later) |
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| Status | Accepted |
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| VulDB entry | 332478 [D-Link DIR-816L 2_06_b09_beta gena.cgi genacgi_main SERVER_ID/HTTP_SID stack-based overflow] |
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| Points | 20 |
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