How severe is CVE-2025-0492?

CVE-2025-0492 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-0492 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0492?

CVE-2025-0492 primarily affects Dlink Dir-823x Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-0492?

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-2025-0492 have an EU (EUVD) identifier?

Yes. CVE-2025-0492 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1715.

When was CVE-2025-0492 published?

CVE-2025-0492 was published on 2025-01-15 and last updated on 2026-06-17.

CVE-2025-0492

CVE-2025-0492 is a high-severity vulnerability in Dlink Dir-823x Firmware with a CVSS 3.x base score of 7.5. 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-404.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
CVSS v4: 8.7
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1715
Weakness: CWE-404
Affected product: Dlink Dir-823x Firmware
Published: 2025-01-15
Last modified: 2026-06-17

Description

A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-0492?: A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this vulnerability is the function FUN_00412244. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-0492?: CVE-2025-0492 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-0492 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0492?: CVE-2025-0492 primarily affects Dlink Dir-823x Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-0492?: 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-2025-0492 have an EU (EUVD) identifier?: Yes. CVE-2025-0492 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1715.
When was CVE-2025-0492 published?: CVE-2025-0492 was published on 2025-01-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:dlink:dir-823x_firmware:240126:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-823x_firmware:240802:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-823x Firmware

CVE-2025-29043 — Critical (CVSS 9.8): An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the function 0x417234
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