CVE-2026-0840
8.8 · HIGHOverview
CVE-2026-0840 is a high-severity vulnerability affecting utt 520w_firmware. It was published on January 11, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Affected by this vulnerability is the function strcpy of the file /goform/formConfigNoticeConfig. The manipulation of the argument timestart leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Remediation
Check the references section for vendor advisories and patches from utt. Update 520w_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| utt | 520w_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2026-0840?
CVE-2026-0840 is a high-severity vulnerability affecting utt 520w_firmware. It was published on January 11, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-0840?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-0840?
Check the references section for vendor advisories and patches from utt. Update 520w_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-0840?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-0840 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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