Submit #791828: Tenda AC9 AC9 V1.0 V15.03.02.13 Buffer Overflowinfo

TitleTenda AC9 AC9 V1.0 V15.03.02.13 Buffer Overflow
DescriptionIn Tenda AC9 V1.0 V15.03.02.13 firmware has a stack overflow vulnerability in the formQuickIndex function. The v8 variable receives the PPPOEPassword parameter from a POST request and is later assigned to the s variable, which is fixed at 72 bytes. However, since the user can control the input of PPPOEPassword, in function sub_4F7C0, the statement:
Source⚠️ https://lavender-bicycle-a5a.notion.site/Tenda-AC9-QuickIndex-33153a41781f80458940f212f150a4fb?source=copy_link
User
 wxhwxhwxh_mie (UID 66748)
Submission03/28/2026 09:23 (13 days ago)
Moderation04/09/2026 16:38 (12 days later)
StatusAccepted
VulDB entry356571 [Tenda AC9 15.03.02.13 POST Request /goform/QuickIndex formQuickIndex PPPOEPassword stack-based overflow]
Points16

Do you want to use VulDB in your project?

Use the official API to access entries easily!