CVE-2020-26728
CriticalPublic PoC
Published: 11 February 2022
Published
11 February 2022
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0339
87.7th percentile
Risk Priority
22
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2020-26728 is a critical-severity an unspecified weakness vulnerability in Tenda Ac9 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 12.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-19266
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
tenda
ac9 firmware
15.03.05.19\(6318\)_cn, 15.03.06.42_multi
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.