Remote Code Execution Vulnerability in D-Link DIR-1935 Routers
CVE-2022-43633

6.8MEDIUM

Key Information:

Vendor

D-link
Status
Dir-1935
Vendor
CVE Published:
29 March 2023

What is CVE-2022-43633?

A remote code execution vulnerability exists in D-Link DIR-1935 routers due to insufficient validation of user input in the web management portal. Network-adjacent attackers can exploit this flaw by sending specially crafted requests that bypass the existing authentication mechanism. The vulnerability arises during the handling of SetSysLogSettings requests, where the IPAddress element is improperly parsed, allowing attackers to execute arbitrary code in the context of root, potentially compromising the entire system.

Affected Version(s)

DIR-1935 1.03

References

https://supportannouncement.us.dlink.com/announcement/pub...
https://www.zerodayinitiative.com/advisories/ZDI-22-1505/

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Anonymous
.
CVE-2022-43633 : Remote Code Execution Vulnerability in D-Link DIR-1935 Routers