Authentication Bypass Flaw in D-Link DIR-1935 Routers
CVE-2022-43621

8.8HIGH

Key Information:

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

Summary

A security flaw in the D-Link DIR-1935 router allows unauthorized attackers to bypass authentication due to improper handling of HNAP login requests. This vulnerability permits network-adjacent attackers to exploit the router without needing to authenticate, potentially compromising the device's security. Adequate mitigation measures should be implemented by users to safeguard their network.

Affected Version(s)

DIR-1935 1.03

References

https://supportannouncement.us.dlink.com/announcement/pub...
https://www.zerodayinitiative.com/advisories/ZDI-22-1503/

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

CVSS V3.0

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
.