CVE-2026-18898

HIGH CVSS 4.0: 7.4 EPSS 0.47%
Updated Aug 12, 2026
Utt
Parameter Value
CVSS 7.4 (HIGH)
Type CWE-119 (Buffer Overflow), CWE-121 (Stack-based Buffer Overflow)
Vendor Utt
Public PoC No

A security flaw has been discovered in UTT HiPER 1200GW up to v2.5.3-170306. This affects the function strcpy of the file /goform/ConfigAdvideo. The manipulation of the argument timestart results in stack-based buffer overflow.

The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

utt:hiper 1200gw