How severe is CVE-2025-4843?

CVE-2025-4843 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4843 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4843?

CVE-2025-4843 affects Dlink Dcs-932l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4843?

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-2025-4843 have an EU (EUVD) identifier?

Yes. CVE-2025-4843 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15607.

When was CVE-2025-4843 published?

CVE-2025-4843 was published on 2025-05-18 and last updated on 2026-06-17.

CVE-2025-4843

CVE-2025-4843 is a high-severity vulnerability in Dlink Dcs-932l Firmware with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 8.7
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15607
Weakness: CWE-787
Affected product: Dlink Dcs-932l Firmware
Published: 2025-05-18
Last modified: 2026-06-17

Description

A vulnerability was found in D-Link DCS-932L 2.18.01. It has been classified as critical. This affects the function SubUPnPCSInit of the file /sbin/udev. The manipulation of the argument CameraName leads to stack-based buffer overflow. It is possible to initiate 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-2025-4843?: A vulnerability was found in D-Link DCS-932L 2.18.01. It has been classified as critical. This affects the function SubUPnPCSInit of the file /sbin/udev. The manipulation of the argument CameraName leads to stack-based buffer overflow. It is possible to initiate 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-2025-4843?: CVE-2025-4843 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4843 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4843?: CVE-2025-4843 affects Dlink Dcs-932l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4843?: 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-2025-4843 have an EU (EUVD) identifier?: Yes. CVE-2025-4843 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15607.
When was CVE-2025-4843 published?: CVE-2025-4843 was published on 2025-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dcs-932l_firmware:2.18.01:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dcs-932l Firmware

CVE-2025-5572 — High (CVSS 8.8): A vulnerability was found in D-Link DCS-932L 2.18.01. It has been declared as critical. Affected by this vulnerability…
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