How severe is CVE-2025-8231?

CVE-2025-8231 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-8231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8231?

CVE-2025-8231 affects Dlink Dir-890l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8231?

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

Does CVE-2025-8231 have an EU (EUVD) identifier?

Yes. CVE-2025-8231 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22822.

When was CVE-2025-8231 published?

CVE-2025-8231 was published on 2025-07-27 and last updated on 2026-06-17.

CVE-2025-8231

CVE-2025-8231 is a medium-severity vulnerability in Dlink Dir-890l Firmware with a CVSS 3.x base score of 6.8. 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-798.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.2
CVSS v4: 5.2
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22822
Weakness: CWE-798
Affected product: Dlink Dir-890l Firmware
Published: 2025-07-27
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in D-Link DIR-890L up to 111b04. This issue affects some unknown processing of the file rgbin of the component UART Port. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the physical device. 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-2025-8231?: A vulnerability, which was classified as critical, has been found in D-Link DIR-890L up to 111b04. This issue affects some unknown processing of the file rgbin of the component UART Port. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the physical device. 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-2025-8231?: CVE-2025-8231 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-8231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8231?: CVE-2025-8231 affects Dlink Dir-890l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8231?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8231 have an EU (EUVD) identifier?: Yes. CVE-2025-8231 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22822.
When was CVE-2025-8231 published?: CVE-2025-8231 was published on 2025-07-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-890l_firmware:*:*:*:*:*:*:*:*

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