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Hiper 810g EUVD-2026-12576

| CVE-2026-4318 HIGH
Classic Buffer Overflow (CWE-120)
2026-03-17 VulDB
7.4
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
7.4 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

6
Re-analysis Queued
Apr 22, 2026 - 21:37 vuln.today
cvss_changed
CVSS changed
Apr 22, 2026 - 21:37 NVD
8.8 (HIGH) 7.4 (HIGH)
PoC Detected
Mar 18, 2026 - 14:52 vuln.today
Public exploit code
EUVD ID Assigned
Mar 17, 2026 - 20:30 euvd
EUVD-2026-12576
Analysis Generated
Mar 17, 2026 - 20:30 vuln.today
CVE Published
Mar 17, 2026 - 15:02 nvd
HIGH 8.8

DescriptionCVE.org

A vulnerability was determined in UTT HiPER 810G up to 1.7.7-171114. Affected is the function strcpy of the file /goform/formApLbConfig. This manipulation of the argument loadBalanceNameOld causes buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

Remote code execution in UTT HiPER 810G up to version 1.7.7-171114 through a buffer overflow in the /goform/formApLbConfig endpoint allows authenticated attackers to achieve complete system compromise. The vulnerability stems from unsafe use of strcpy() on the loadBalanceNameOld parameter, and public exploit code is currently available. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to UTT HiPER 810G
Delivery
Send POST request to /goform/formApLbConfig
Exploit
Craft oversized loadBalanceNameOld parameter
Execution
Overflow strcpy buffer
Impact
Execute arbitrary code with device privileges

Vulnerability AssessmentAI

Exploitation UTT HiPER 810G firmware version 1.7.7-171114 or earlier with valid user credentials for web interface access; requires authentication to the /goform/formApLbConfig endpoint. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This vulnerability presents a high real-world risk based on multiple factors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with low-privileged credentials to the router's web interface sends a specially crafted HTTP request to /goform/formApLbConfig containing an oversized value in the loadBalanceNameOld parameter. The excessive data overflows the buffer, allowing the attacker to overwrite memory and potentially execute arbitrary code with router privileges. …
Remediation Upgrade UTT HiPER 810G firmware to a version newer than 1.7.7-171114 as soon as possible, though no specific patched version has been explicitly identified in the available references. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all UTT HiPER 810G devices running firmware versions through 1.7.7-171114 and isolate them from production networks if possible. …

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EUVD-2026-12576 vulnerability details – vuln.today

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