CVE-2026-2155

moderate-risk
Published 2026-02-08

A security flaw has been discovered in D-Link DIR-823X 250416. The affected element is the function sub_4208A0 of the file /goform/set_dmz of the component Configuration Handler. The manipulation of the argument dmz_host/dmz_enable results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

Do I need to act?

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0.53% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Dlink

References (6)

Exploit https://github.com/master-abc/cve/issues/32
Permissions Required https://vuldb.com/?ctiid.344857
Third Party Advisory https://vuldb.com/?id.344857
Third Party Advisory https://vuldb.com/?submit.748236
Third Party Advisory https://vuldb.com/?submit.750038
Product https://www.dlink.com/
33
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal