CVE-2026-18898

8.8 HIGHpublic exploit available

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

AI risk analysis

Summary: The CVE-2026-18898 flaw in UTT HiPER 1200GW allows remote attackers to exploit a stack-based buffer overflow via the timestart parameter, leading to potential code execution or system compromise.
Exploitability: Exploitation is relatively straightforward given public exploits and requires only manipulation of the timestart argument over HTTP.
Blast radius: If exploited, this flaw could lead to complete control of affected devices, impacting network security and potentially causing widespread damage.
Prioritized remediation: Update UTT HiPER 1200GW to the latest version or apply vendor-provided patches immediately.

buffer-overflowremote-code-executionwebcritical

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.