520w Firmware
CVE-2026-2070
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/formPolicyRouteConf. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Remote code execution in UTT 520W firmware versions up to 1.7.7-180627 through a buffer overflow in the /goform/formPolicyRouteConf endpoint allows authenticated attackers to execute arbitrary commands on affected devices. Public exploit code is available for this vulnerability, and no patch has been released despite vendor notification. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Authenticated access to UTT 进取 520W firmware version 1.7.7-180627 management interface; ability to POST requests to /goform/formPolicyRouteConf endpoint with malicious GroupName parameter exceeding buffer limits. Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker could exploit this flaw, buffer overflow. |
| Remediation | Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all UTT 进取 520W 1.7.7-180627 devices in your environment and isolate affected units from production networks if possible. …
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External POC / Exploit Code
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