| Title | Tenda CH22 V1.0.0.1 Stack-based Buffer Overflow |
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| Description | A vulnerability was found in Tenda CH22 V1.0.0.1. Affected by this vulnerability is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. The manipulation of the argument wanmode and PPPOEPassword with an unknown input leads to a buffer overflow vulnerability.In fromAdvSetWan function,it reads in a user-provided parameter wanmode and PPPOEPassword.If the value of wanmode is 2, the variable v16 is passed to the sub_3B698 function without any length check, which may overflow the stack-based buffer s. |
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| Source | ⚠️ https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_47/README.md |
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| User | LtzHust2 (UID 95662) |
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| Submission | 03/14/2026 14:51 (17 days ago) |
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| Moderation | 03/30/2026 15:33 (16 days later) |
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| Status | Accepted |
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| VulDB entry | 354187 [Tenda CH22 1.0.0.1 Parameter /goform/AdvSetWan fromAdvSetWan wanmode stack-based overflow] |
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| Points | 20 |
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