Vulnerability · Published Aug 5, 2026 · Assigned by VulDB

CVE-2026-18898UTT HiPER 1200GW ConfigAdvideo strcpy stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in HiPER 1200GW from UTT. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.8%top 43.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
UTT	HiPER 1200GW	v2.5.3-170306

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-385933 | UTT HiPER 1200GW ConfigAdvideo strcpy stack-based overflow vdb-entry, technical-description
VDB-385933 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-18898 | CVE Analysis and Report third-party-advisory
Submit #858620 | UTT HiPER 1200GW <=v2.5.3-170306 Buffer Overflow third-party-advisory
https://github.com/7wkajk/CVE-VUL/blob/main/103.md exploit