How severe is CVE-2025-10123?

CVE-2025-10123 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-10123 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-10123?

CVE-2025-10123 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-10123?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-10123 have an EU (EUVD) identifier?

Yes. CVE-2025-10123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27219.

When was CVE-2025-10123 published?

CVE-2025-10123 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-10123

CVE-2025-10123 is a high-severity vulnerability in Dlink Dir-823x Firmware with a CVSS 3.x base score of 7.3. 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27219
Weakness: CWE-74
Affected product: Dlink Dir-823x Firmware
Published: 2025-09-09
Last modified: 2026-06-17

Description

A vulnerability was determined in D-Link DIR-823X up to 250416. Affected by this vulnerability is the function sub_415028 of the file /goform/set_static_leases. Executing manipulation of the argument Hostname can lead to command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Frequently asked questions

What is CVE-2025-10123?: A vulnerability was determined in D-Link DIR-823X up to 250416. Affected by this vulnerability is the function sub_415028 of the file /goform/set_static_leases. Executing manipulation of the argument Hostname can lead to command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
How severe is CVE-2025-10123?: CVE-2025-10123 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-10123 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-10123?: CVE-2025-10123 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-10123?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-10123 have an EU (EUVD) identifier?: Yes. CVE-2025-10123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27219.
When was CVE-2025-10123 published?: CVE-2025-10123 was published on 2025-09-09 and last updated on 2026-06-17.

References

Affected products (1)

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

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