High severity · published Mar 8, 2026
CVE-2026-3700
UTT HiPER 810G formConfigDnsFilterGlobal strcpy buffer overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
H8
HiPER 810G · UTT
1.7.7-171114 · source: vendor
8F
810g Firmware · Utt
through 1.7.7-171114 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3700
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3700
Exploit
https://github.com/7wkajk/CVE-VUL/blob/main/1.md
Permissions Required
https://vuldb.com/?ctiid.349646
Third Party Advisory
https://vuldb.com/?id.349646
Third Party Advisory
https://vuldb.com/?submit.765750
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