Medium severity · published Dec 30, 2021
CVE-2021-20164
Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses credentials for the smb functionality of the device
4.9
CVSS
0.7%
EPSS
No
On KEV
Description
Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses credentials for the smb functionality of the device. Usernames and passwords for all smb users are revealed in plaintext on the smbserver.asp page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tew-827dru Firmware · Trendnet
2.08b01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20164
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20164
Third Party Advisory
https://www.tenable.com/security/research/tra-2021-54
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CVE-2021-20151
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a flaw in the session management for the device
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CVE-2021-20158
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CVE-2021-20155
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CVE-2021-20149
Trendnet AC2600 TEW-827DRU version 2.08B01 does not have sufficient access controls for the WAN interface