Vulnerability · Published Mar 20, 2026 · Assigned by VulDB
CVE-2026-4487UTT HiPER 1200GW websHostFilter strcpy buffer overflow
High 8.8
In plain English
A high-severity 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 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 55.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in UTT HiPER 1200GW up to 2.5.3-170306. This impacts the function strcpy of the file /goform/websHostFilter. This manipulation causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| UTT | HiPER 1200GW | 2.5.3-170306 |
Weakness: CWE-120, 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-352010 | UTT HiPER 1200GW websHostFilter strcpy buffer overflow vdb-entry, technical-description
- VDB-352010 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #773538 | UTT HiPER 1200GW <=v2.5.3-170306 buffer overflow third-party-advisory
- https://github.com/hmKunlun/UTTHiPER/blob/main/HiPER%201200GW.md exploit