Vulnerability Details : CVE-2022-43623
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of SetWebFilterSetting requests to the web management portal. When parsing the WebFilterURLs element, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16140.
Vulnerability category: Execute code
Products affected by CVE-2022-43623
- cpe:2.3:o:dlink:dir-1935_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-1935_firmware:1.03:b1:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-1935_firmware:1.03:b2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-43623
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-43623
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
Zero Day Initiative | |
6.8
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST |
CWE ids for CVE-2022-43623
-
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.Assigned by: zdi-disclosures@trendmicro.com (Primary)
References for CVE-2022-43623
-
https://www.zerodayinitiative.com/advisories/ZDI-22-1492/
ZDI-22-1492 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310
D-Link Technical SupportPatch;Vendor Advisory
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