CVE-2026-0836

HIGH
2026-01-11 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 13, 2026 - 22:04 vuln.today
Public exploit code
CVE Published
Jan 11, 2026 - 05:15 nvd
HIGH 8.8

Tags

Buffer Overflow 520w Firmware

Description

A vulnerability was determined in UTT 进取 520W 1.7.7-180627. The impacted element is the function strcpy of the file /goform/formConfigFastDirectionW. This manipulation of the argument ssid causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Analysis

Remote code execution in UTT 520W firmware versions up to 1.7.7-180627 allows authenticated attackers to execute arbitrary code through a buffer overflow in the /goform/formConfigFastDirectionW endpoint via the ssid parameter. Public exploit code exists for this vulnerability and the vendor has not released a patch despite early notification. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: +20

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CVE-2026-0836 vulnerability details – vuln.today
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