How severe is CVE-2025-15430?

CVE-2025-15430 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-2025-15430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15430?

CVE-2025-15430 affects Utt 512w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15430?

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-2025-15430 have an EU (EUVD) identifier?

Yes. CVE-2025-15430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0706.

When was CVE-2025-15430 published?

CVE-2025-15430 was published on 2026-01-02 and last updated on 2026-10-07.

CVE-2025-15430

CVE-2025-15430 is a high-severity vulnerability in Utt 512w 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-0706
Weakness: CWE-119
Affected product: Utt 512w Firmware
Published: 2026-01-02
Last modified: 2026-10-07

Description

A vulnerability was detected in UTT 进取 512W 1.7.7-171114. Affected by this issue is the function strcpy of the file /goform/formFtpServerShareDirSelcet. Performing a manipulation of the argument oldfilename results in buffer overflow. The attack can be initiated 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-2025-15430?: A vulnerability was detected in UTT 进取 512W 1.7.7-171114. Affected by this issue is the function strcpy of the file /goform/formFtpServerShareDirSelcet. Performing a manipulation of the argument oldfilename results in buffer overflow. The attack can be initiated 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-2025-15430?: CVE-2025-15430 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-2025-15430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15430?: CVE-2025-15430 affects Utt 512w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15430?: 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-2025-15430 have an EU (EUVD) identifier?: Yes. CVE-2025-15430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0706.
When was CVE-2025-15430 published?: CVE-2025-15430 was published on 2026-01-02 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-2025-14534 — Critical (CVSS 9.8): A vulnerability was determined in UTT 进取 512W up to 3.1.7.7-171114. This impacts 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-2025-15429 — High (CVSS 8.8): A security vulnerability has been detected in UTT 进取 512W 1.7.7-171114. Affected by this vulnerability is the…
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…

All CVEs affecting Utt 512w Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-79851 — Critical (CVSS 10.0): No description provided
CVE-2026-79847 — Critical (CVSS 10.0): No description provided
CVE-2026-114383 — Critical (CVSS 10.0): A weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file…
CVE-2026-114382 — Critical (CVSS 10.0): A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the…
CVE-2026-113744 — Critical (CVSS 10.0): A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function…
CVE-2026-110958 — Critical (CVSS 10.0): A vulnerability was found in Wavlink WN530HG4B M30HG4B_V260724. The impacted element is an unknown function of the file…

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →