Submit #793114: TOTOLINK A800R V4.1.2cu.5137_B20200730 Buffer Overflowinfo

TitleTOTOLINK A800R V4.1.2cu.5137_B20200730 Buffer Overflow
DescriptionThe TOTOLINK A800R router, firmware version V4.1.2cu.5137_B20200730, contains a buffer overflow vulnerability in the setAppEasyWizardConfig interface of /lib/cste_modules/app.so. The vulnerability occurs because the apcliSsid parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.
Source⚠️ https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/01_Buffer_Overflow_setAppEasyWizardConfig.md
User
 xuanyu (UID 36103)
Submission03/30/2026 21:02 (3 months ago)
Moderation04/12/2026 20:06 (13 days later)
StatusAccepted
VulDB entry357037 [Totolink A800R 4.1.2cu.5137_B20200730 /lib/cste_modules/app.so setAppEasyWizardConfig apcliSsid buffer overflow]
Points20

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