CVE-2026-18898

8.8 HIGHpublic exploit available

Published 2026-08-05 · Updated 2026-08-05

AI risk analysis

Summary: A stack-based buffer overflow vulnerability exists in UTT HiPER 1200GW versions up to v2.5.3-170306 due to improper handling of the timestart argument in the strcpy function. This allows remote attackers to execute arbitrary code.
Exploitability: Exploitation is relatively straightforward given the remote code execution capability. The attacker needs to manipulate the timestart argument to overflow the buffer.
Blast radius: If exploited, this vulnerability could lead to complete control of the affected device, potentially leading to data theft, service disruption, or further attacks.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to UTT HiPER 1200GW v2.5.4-170306 or later.

rcebuffer-overflowremote-code-executionwebfirmware

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-119, CWE-121

Public exploit & PoC references

https://github.com/7wkajk/CVE-VUL/blob/main/103.md

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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