Critical severity · published Feb 11, 2022
CVE-2020-26728
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…
9.8
CVSS
3.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac9 Firmware · Tenda
15.03.06.42_multi; 15.03.05.19(6318)_cn · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-26728
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-26728
Broken Link
https://github.com/Lyc-heng/Router/blob/main/Tenda/rce1.md
Exploit
https://github.com/Lyc-heng/routers/blob/a80b30bccfc9b76f3a4868ff28ad5ce2e0fca180/routers/rce1.md
Exploit
https://github.com/Lyc-heng/routers/blob/main/routers/rce1.md
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