Arbitrary Code Execution Vulnerability in D-Link DIR-1935 Routers
CVE-2022-43626

6.8MEDIUM

Key Information:

Vendor

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

What is CVE-2022-43626?

The vulnerability in the D-Link DIR-1935 1.03 router allows network-adjacent attackers to bypass authentication protocols and execute arbitrary code on the device. The issue arises from improper validation of user-supplied strings in the SetIPv4FirewallSettings requests within the web management portal. This flaw enables attackers to manipulate the IPv4FirewallRule element and invoke system calls, potentially granting them root-level access. Affected users should apply security updates from D-Link to mitigate risks.

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Affected Version(s)

DIR-1935 1.03

References

https://supportannouncement.us.dlink.com/announcement/pub...
https://www.zerodayinitiative.com/advisories/ZDI-22-1497/

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
JSON
.