How severe is CVE-2026-2063?

CVE-2026-2063 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-2063 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2063?

CVE-2026-2063 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2063?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2063 have an EU (EUVD) identifier?

Yes. CVE-2026-2063 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5598.

When was CVE-2026-2063 published?

CVE-2026-2063 was published on 2026-02-06 and last updated on 2026-06-17.

CVE-2026-2063

CVE-2026-2063 is a medium-severity vulnerability in Dlink Dir-823x Firmware with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 5.8
CVSS v4: 2.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5598
Weakness: CWE-78
Affected product: Dlink Dir-823x Firmware
Published: 2026-02-06
Last modified: 2026-06-17

Description

A security flaw has been discovered in D-Link DIR-823X 250416. This vulnerability affects unknown code of the file /goform/set_ac_server of the component Web Management Interface. The manipulation of the argument ac_server results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

Frequently asked questions

What is CVE-2026-2063?: A security flaw has been discovered in D-Link DIR-823X 250416. This vulnerability affects unknown code of the file /goform/set_ac_server of the component Web Management Interface. The manipulation of the argument ac_server results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
How severe is CVE-2026-2063?: CVE-2026-2063 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-2063 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2063?: CVE-2026-2063 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2063?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2063 have an EU (EUVD) identifier?: Yes. CVE-2026-2063 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5598.
When was CVE-2026-2063 published?: CVE-2026-2063 was published on 2026-02-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:*

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