CVE-2020-26728

PoC ×2—

CVSS 3.1

9.8 critical

EPSS

4%p89

Published

Feb 11, 2022 (Feb 11, 2022)

Modified

Jun 17, 2026

Description

A vulnerability was discovered in Tenda AC9 v3.0 V15.03.06.42_multi and Tenda AC9 V1.0 V15.03.05.19(6318)_CN which allows for remote code execution via shell metacharacters in the guestuser field to the __fastcall function with a POST request.

Vendors: tenda
Products: ac9 firmware
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.8%)

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