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1200Gw Firmware EUVD-2026-19251

| CVE-2026-31058 MEDIUM
Classic Buffer Overflow (CWE-120)
2026-04-06 cve@mitre.org GHSA-w2w6-945r-j84p
Denial Of Service Buffer Overflow 1200Gw Firmware
4.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.5 MEDIUM
AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

3
EUVD ID Assigned
Apr 06, 2026 - 15:22 euvd
EUVD-2026-19251
Analysis Generated
Apr 06, 2026 - 15:22 vuln.today
CVE Published
Apr 06, 2026 - 15:17 nvd
MEDIUM 4.5

DescriptionCVE.org

UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the timeRangeName parameter of the formConfigDnsFilterGlobal function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

AnalysisAI

Buffer overflow in UTT Aggressive HiPER 1200GW v2.5.3-170306 timeRangeName parameter allows authenticated attackers with high privileges to cause denial of service through crafted input to the formConfigDnsFilterGlobal function. CVSS score of 4.5 reflects local/adjacent network attack vector and high-privilege requirement, with no confidentiality or integrity impact. …

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Vulnerability AssessmentAI

Risk Assessment This vulnerability presents moderate real-world risk despite the low CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with administrative credentials on a corporate network could access the UTT HiPER 1200GW web interface and submit a crafted HTTP request with an oversized timeRangeName parameter to the formConfigDnsFilterGlobal endpoint, causing a buffer overflow that crashes the device and disrupts DNS filtering and gateway functionality for all connected users. Alternatively, a malicious insider with administrator access could intentionally trigger this overflow as a denial-of-service attack against network availability. …
Remediation Contact UTT Technologies or consult the official product advisory at https://nvd.nist.gov/vuln/detail/CVE-2026-31058 to determine if a patched firmware version is available. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-19251 vulnerability details – vuln.today
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