How severe is CVE-2025-14535?

CVE-2025-14535 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-2025-14535 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14535?

CVE-2025-14535 affects Utt 512w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14535?

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-2025-14535 have an EU (EUVD) identifier?

Yes. CVE-2025-14535 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202887.

When was CVE-2025-14535 published?

CVE-2025-14535 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-14535

CVE-2025-14535 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: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202887
Weakness: CWE-119
Affected product: Utt 512w Firmware
Published: 2025-12-11
Last modified: 2026-06-17

Description

A vulnerability was identified in UTT 进取 512W up to 3.1.7.7-171114. Affected is the function strcpy of the file /goform/formConfigFastDirectionW. The manipulation of the argument ssid leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-14535?: A vulnerability was identified in UTT 进取 512W up to 3.1.7.7-171114. Affected is the function strcpy of the file /goform/formConfigFastDirectionW. The manipulation of the argument ssid leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-14535?: CVE-2025-14535 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-2025-14535 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14535?: CVE-2025-14535 affects Utt 512w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14535?: 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-2025-14535 have an EU (EUVD) identifier?: Yes. CVE-2025-14535 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202887.
When was CVE-2025-14535 published?: CVE-2025-14535 was published on 2025-12-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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