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CVE-2020-13394

CVE information

Published

3 years ago

Last Modified

3 years ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Critical

Impact Analysis

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Description

An issue was discovered on Tenda AC6 V1.0 V15.03.05.19_multi_TD01, AC9 V1.0 V15.03.05.19(6318)_CN, AC9 V3.0 V15.03.06.42_multi, AC15 V1.0 V15.03.05.19_multi_TD01, and AC18 V15.03.05.19(6318_)_CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the /goform/SetNetControlList list parameter for a POST request, a value is directly used in a strcpy to a local variable placed on the stack, which overwrites the return address of a function. An attacker can construct a payload to carry out arbitrary code execution attacks..

CVSSv2.0 Score

Severity
High
Base Score
7.5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Critical
Base Score
9.8/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:tendacn:ac6_firmware:v15.03.05.19_multi_td01:*:*:*
  Yes
-
cpe:2.3:h:tendacn:ac6:1.0:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:tendacn:ac9_firmware:v15.03.05.19\(6318\):*:*:*:*:
  Yes
-
cpe:2.3:h:tendacn:ac9:1.0:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:tendacn:ac15_firmware:v15.03.05.19_multi_td01:*:*:
  Yes
-
cpe:2.3:h:tendacn:ac15:1.0:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:tendacn:ac18_firmware:v15.03.05.19\(6318\):*:*:*:*
  Yes
-
cpe:2.3:h:tendacn:ac18:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:tendacn:ac9_firmware:v15.03.06.42_multi:*:*:*:*:*:
  Yes
-
cpe:2.3:h:tendacn:ac9:3.0:*:*:*:*:*:*:*
  No
-

References