| Title | Tenda AC21 Tenda AC21 V1.0 V16.03.08.16 Buffer Overflow |
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| Description | Tenda AC21 is a dual-band tri-gigabit home wireless router that contains a binary vulnerability, which can be exploited by an attacker to cause the device to crash or, under certain conditions, potentially achieve remote code execution. This vulnerability exists within the router’s firmware and could allow unauthorized actions that compromise the normal operation of the device, posing a potential threat to the security of the network and any connected devices. |
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| Source | ⚠️ https://github.com/hellonestor/killallbug/issues/14 |
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| User | junqi (UID 93773) |
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| Submission | 03/08/2026 11:44 (1 month ago) |
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| Moderation | 03/22/2026 09:29 (14 days later) |
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| Status | Accepted |
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| VulDB entry | 352402 [Tenda AC21 16.03.08.16 SetNetControlList formSetQosBand list buffer overflow] |
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| Points | 20 |
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