5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.9 High
AI Score
Confidence
High
0.95 High
EPSS
Percentile
99.3%
Directory Traversal
CVE: CVE-2018-10822
CVSS v3: 8.6
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Description: Directory traversal vulnerability in the web interface on D-Link routers:
DWR-116 through 1.06,
DIR-140L through 1.02,
DIR-640L through 1.02,
DWR-512 through 2.02,
DWR-712 through 2.02,
DWR-912 through 2.02,
DWR-921 through 2.02,
DWR-111 through 1.01,
and probably others with the same type of firmware
allows remote attackers to read arbitrary files via a /.. or // after “GET /uir” in an HTTP request.
NOTE: this vulnerability exists because of an incorrect fix for CVE-2017-6190.
PoC:
`$ curl http://routerip/uir//etc/passwd`
The vulnerability can be used retrieve administrative password using the other disclosed vulnerability - CVE-2018-10824.
This vulnerability was reported previously by Patryk Bogdan in CVE-2017-6190 but he reported it is fixed in certain release but unfortunately it is still present in even newer releases. The vulnerability is also present in other D-Link routers and can be exploited not only (as the original author stated) by double dot but also absolutely using double slash.
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.9 High
AI Score
Confidence
High
0.95 High
EPSS
Percentile
99.3%