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HIGH

CVE-2026-0838

CVSS v3

8.8

HIGH

EPSS Score

3.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A security flaw has been discovered in UTT 进取 520W 1.7.7-180627. This impacts the function strcpy of the file /goform/ConfigWirelessBase. Performing a manipulation of the argument ssid results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Technical details

Published
2026-01-11
Last Modified
2026-01-13

Frequently asked questions

What is CVE-2026-0838?

A security flaw has been discovered in UTT 进取 520W 1.7.7-180627. This impacts the function strcpy of the file /goform/ConfigWirelessBase. Performing a manipulation of the argument ssid results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Is CVE-2026-0838 actively exploited?

Active exploitation of CVE-2026-0838 has not been confirmed. Its EPSS score was 3.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-0838?

CVE-2026-0838 has a CVSS v3 base score of 8.8 (HIGH severity).

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