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CVE-2026-2157

D-Link Dir-823x Firmware command injection

7.2 HIGHPublic exploitEPSS 4.70%
  1. Published8 Feb 2026

Description

A security vulnerability has been detected in D-Link DIR-823X 250416. This affects the function sub_4175CC of the file /goform/set_static_route_table. Such manipulation of the argument interface/destip/netmask/gateway/metric leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link Dir-823x Firmware250416

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-2157 being actively exploited?

CVE-2026-2157 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 4.70%.

How severe is CVE-2026-2157?

CVE-2026-2157 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 4.70% probability of exploitation.

Which products are affected by CVE-2026-2157?

Affected products include D-Link Dir-823x Firmware.

How do I fix CVE-2026-2157?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-2157 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.