How severe is CVE-2025-14534?

CVE-2025-14534 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-14534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14534?

CVE-2025-14534 affects Utt 512w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14534?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-14534 have an EU (EUVD) identifier?

Yes. CVE-2025-14534 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202880.

When was CVE-2025-14534 published?

CVE-2025-14534 was published on 2025-12-11 and last updated on 2026-10-07.

CVE-2025-14534

CVE-2025-14534 is a critical-severity vulnerability in Utt 512w Firmware with a CVSS 3.x base score of 9.8. 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
CVSS v4: 8.9
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202880
Weakness: CWE-119
Affected product: Utt 512w Firmware
Published: 2025-12-11
Last modified: 2026-10-07

Description

A vulnerability was determined in UTT 进取 512W up to 3.1.7.7-171114. This impacts the function strcpy of the file /goform/formNatStaticMap of the component Endpoint. Executing manipulation of the argument NatBind can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-14534?: A vulnerability was determined in UTT 进取 512W up to 3.1.7.7-171114. This impacts the function strcpy of the file /goform/formNatStaticMap of the component Endpoint. Executing manipulation of the argument NatBind can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-14534?: CVE-2025-14534 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-14534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14534?: CVE-2025-14534 affects Utt 512w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14534?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-14534 have an EU (EUVD) identifier?: Yes. CVE-2025-14534 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202880.
When was CVE-2025-14534 published?: CVE-2025-14534 was published on 2025-12-11 and last updated on 2026-10-07.

References

Affected products (1)

cpe:2.3:o:utt:512w_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Utt 512w Firmware

CVE-2025-14535 — Critical (CVSS 9.8): A vulnerability was identified in UTT 进取 512W up to 3.1.7.7-171114. Affected is the function strcpy of the file…
CVE-2025-15431 — High (CVSS 8.8): A flaw has been found in UTT 进取 512W 1.7.7-171114. This affects the function strcpy of the file…
CVE-2025-15430 — High (CVSS 8.8): A vulnerability was detected in UTT 进取 512W 1.7.7-171114. Affected by this issue is the function strcpy of the file…
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CVE-2025-15428 — High (CVSS 8.8): A weakness has been identified in UTT 进取 512W 1.7.7-171114. Affected is the function strcpy of the file…
CVE-2025-15092 — High (CVSS 8.8): A vulnerability was identified in UTT 进取 512W up to 1.7.7-171114. Impacted is the function strcpy of the file…

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