Is CVE-2026-4193 in the CISA KEV catalog?

No. CVE-2026-4193 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-4193?

CVE-2026-4193 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2026-4193?

CVE-2026-4193 has an EPSS score of 0.77% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-4193?

No published fix for CVE-2026-4193 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-4193

HIGH

7.3

CVSS v3

NVD

Description

A security vulnerability has been detected in D-Link DIR-823G 1.0.2B05. The affected element is the function GetDDNSSettings/GetDeviceDomainName/GetDeviceSettings/GetDMZSettings/GetFirewallSettings/GetGuestNetworkSettings/GetLanWanConflictInfo/GetLocalMacAddress/GetNetworkSettings/GetQoSSettings/GetRouterInformationSettings/GetRouterLanSettings/GetWanSettings/SetAccessCtlList/SetAccessCtlSwitch/SetDeviceSettings/SetGuestWLanSettings/SetIPv4FirewallSettings/SetNetworkSettings/SetNetworkTomographySettings/SetNTPServerSettings/SetRouterLanSettings/SetStaticClientInfo/SetStaticRouteSettings/SetWLanRadioSecurity/SetWPSSettings/UpdateClientInfo of the component goahead. Such manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CWE-266 CWE-284Improper Access Control

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.

TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.77%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Exploit2

Third-Party Advisory7

VDB Entry1

vuldb.com

Product1

dlink.com

Related Vulnerabilities

Other CWE-266 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-28000	Critical	9.8	68%	-	Fix
CVE-2025-27007	Critical	9.8	51%	-	-
CVE-2025-47539	Critical	9.8	31%	-	Fix
CVE-2022-20759	High	8.8	29%	-	Fix
CVE-2024-13106	Medium	5.3	27%	-	-
CVE-2024-3013	Medium	6.3	23%	-	-

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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 2026-04-29.