How severe is CVE-2025-2359?

CVE-2025-2359 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-2025-2359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2359?

CVE-2025-2359 affects Dlink Dir-823g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2359?

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-2025-2359 have an EU (EUVD) identifier?

Yes. CVE-2025-2359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6459.

When was CVE-2025-2359 published?

CVE-2025-2359 was published on 2025-03-17 and last updated on 2026-06-17.

CVE-2025-2359

CVE-2025-2359 is a high-severity vulnerability in Dlink Dir-823g Firmware with a CVSS 3.x base score of 7.3. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-266.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 6.9
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6459
Weakness: CWE-266
Affected product: Dlink Dir-823g Firmware
Published: 2025-03-17
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in D-Link DIR-823G 1.0.2B05_20181207. Affected is the function SetDDNSSettings of the file /HNAP1/ of the component DDNS Service. The manipulation of the argument SOAPAction leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2025-2359?: A vulnerability classified as critical has been found in D-Link DIR-823G 1.0.2B05_20181207. Affected is the function SetDDNSSettings of the file /HNAP1/ of the component DDNS Service. The manipulation of the argument SOAPAction leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2025-2359?: CVE-2025-2359 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-2025-2359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2359?: CVE-2025-2359 affects Dlink Dir-823g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2359?: 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-2025-2359 have an EU (EUVD) identifier?: Yes. CVE-2025-2359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6459.
When was CVE-2025-2359 published?: CVE-2025-2359 was published on 2025-03-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05_20181207:*:*:*:*:*:*:*

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