How severe is CVE-2025-14140?

CVE-2025-14140 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-14140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14140?

CVE-2025-14140 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14140?

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

Does CVE-2025-14140 have an EU (EUVD) identifier?

Yes. CVE-2025-14140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201553.

When was CVE-2025-14140 published?

CVE-2025-14140 was published on 2025-12-06 and last updated on 2026-06-17.

CVE-2025-14140

CVE-2025-14140 is a medium-severity vulnerability in Utt 520w Firmware with a CVSS 3.x base score of 6.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.8
CVSS v4: 5.7
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201553
Weakness: CWE-120
Affected product: Utt 520w Firmware
Published: 2025-12-06
Last modified: 2026-06-17

Description

A vulnerability was detected in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/websHostFilter. Performing manipulation of the argument addHostFilter results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-14140?: A vulnerability was detected in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/websHostFilter. Performing manipulation of the argument addHostFilter results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-14140?: CVE-2025-14140 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-14140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14140?: CVE-2025-14140 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-14140 have an EU (EUVD) identifier?: Yes. CVE-2025-14140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201553.
When was CVE-2025-14140 published?: CVE-2025-14140 was published on 2025-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:utt:520w_firmware:1.7.7-180627:*:*:*:*:*:*:*

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