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CVE-2026-0839

HIGH

8.8

Description

A weakness has been identified in UTT 进取 520W 1.7.7-180627. Affected is the function strcpy of the file /goform/APSecurity. Executing a manipulation of the argument wepkey1 can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/11/2026

Last Modified1/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

utt:520wutt:520w_firmware

Weaknesses (CWE)

CWE-119CWE-120

References

https://github.com/GUOTINGTING2297/cve/blob/main/1234/29.md(cna@vuldb.com)

https://vuldb.com/?ctiid.340439(cna@vuldb.com)

https://vuldb.com/?id.340439(cna@vuldb.com)

https://vuldb.com/?submit.729028(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.