Critical severity9.8NVD Advisory· Published Feb 11, 2022· Updated Jun 17, 2026
CVE-2020-26728
CVE-2020-26728
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:*
- cpe:2.3:o:tenda:ac9_firmware:15.03.06.42_multi:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- github.com/Lyc-heng/routers/blob/a80b30bccfc9b76f3a4868ff28ad5ce2e0fca180/routers/rce1.mdnvdExploitThird Party Advisory
- github.com/Lyc-heng/routers/blob/main/routers/rce1.mdnvdExploitThird Party Advisory
- github.com/Lyc-heng/Router/blob/main/Tenda/rce1.mdnvdBroken Link
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