Authentication Bypass Vulnerability in D-Link DIR-1935 Routers
CVE-2022-43620

8.8HIGH

Key Information:

Vendor

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

What is CVE-2022-43620?

A critical vulnerability exists in D-Link DIR-1935 routers due to insufficient authentication handling in HNAP login requests. Network-adjacent attackers can exploit this flaw without needing to authenticate themselves, thereby gaining unauthorized access to the router's settings. This oversight in the implementation of the authentication algorithm allows for seamless exploitation, making it imperative for users to monitor and secure their devices against potential attacks.

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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-22-1494/

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Anonymous
JSON
.