CVE-2026-0838

HIGH

UTT 520W < 1.7.7-180627 - Buffer Overflow via SSID Parameter in ConfigWirelessBase

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.340438
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.340438
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.729020

Scores

CVSS v3 8.8
EPSS 0.0341
EPSS Percentile 87.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
utt/520w_firmware < 1.7.7-180627
Published Jan 11, 2026
Tracked Since Feb 18, 2026