Is CVE-2022-43621 in the CISA KEV catalog?

No. CVE-2022-43621 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-43621?

CVE-2022-43621 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2022-43621?

CVE-2022-43621 has an EPSS score of 2.17% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2022-43621?

No published fix for CVE-2022-43621 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2022-43621

HIGHEPSS 80th pctl

8.8

CVSS v3

NVD

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.

CWE-697

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.17%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

supportannouncement.us.dlink.com

Third-Party Advisory1

zerodayinitiative.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.