Monitor vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
7.4

UTT HiPER 810G: Unsecured DNS Filter Configuration Vulnerability

CVE-2026-3700
Summary

A security weakness in UTT HiPER 810G allows hackers to send malicious data that could cause the device to crash or behave unexpectedly. This could be exploited remotely, allowing an attacker to take control of the device. UTT recommends updating to a newer version to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
utt 810g_firmware <= 1.7.7-171114 –
Original title
A weakness has been identified in UTT HiPER 810G up to 1.7.7-171114. Affected is the function strcpy of the file /goform/formConfigDnsFilterGlobal. This manipulation causes buffer overflow. Remote ...
Original description
A weakness has been identified in UTT HiPER 810G up to 1.7.7-171114. Affected is the function strcpy of the file /goform/formConfigDnsFilterGlobal. This manipulation causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
nvd CVSS2.0 9.0
nvd CVSS3.1 8.8
nvd CVSS4.0 7.4
Vulnerability type
CWE-119 Buffer Overflow
CWE-120 Classic Buffer Overflow
Published: 8 Mar 2026 · Updated: 13 Mar 2026 · First seen: 8 Mar 2026