CVE-2026-2155

7.3 highEPSS 4.6%

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.

Severity

CVSS 4.0

7.3 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.2 high

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

EPSS: 4.6% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
CWEs: CWE-78, CWE-77
Published: 2026-02-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:dir-823x_firmware

References

https://github.com/master-abc/cve/issues/32
https://vuldb.com/?ctiid.344857
https://vuldb.com/?id.344857
https://vuldb.com/?submit.748236
https://vuldb.com/?submit.750038

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