# CVE-2022-43621

## Summary

- **CVE ID:** CVE-2022-43621
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-697
- **Published:** Mar 29, 2023
- **Last Modified:** Mar 13, 2026

## Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from an incorrectly implemented comparison. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-16152.

## Affected Products

- D-Link — DIR-1935 (1.03)

## References

- [CNA](https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310)
- [CNA](https://www.zerodayinitiative.com/advisories/ZDI-22-1503/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.99%
- **EPSS Percentile:** 76.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._