Cyber Resilience

CVE-2022-43622

High

Published: 29 March 2023

Published
29 March 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0107 78.2th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43622 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Dlink Dir-1935 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 21.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

This vulnerability allows network-adjacent attackers to execute arbitrary code 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 Login requests to the web management portal.…

more

When parsing the HNAP_AUTH header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16139.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

dlink
dir-1935 firmware
1.03 · ≤ 1.02

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References