Vulnerability · Published Mar 26, 2026 · Assigned by VulDB

CVE-2026-4862UTT HiPER 1250GW Parameter formConfigDnsFilterGlobal strcpy buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in HiPER 1250GW 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 42% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.5%top 58.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This issue affects the function strcpy of the file /goform/formConfigDnsFilterGlobal of the component Parameter Handler. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

Affected products (as reported)

Vendor	Product	Versions
UTT	HiPER 1250GW	3.2.7-210907-180535

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-353193 | UTT HiPER 1250GW Parameter formConfigDnsFilterGlobal strcpy buffer overflow vdb-entry, technical-description
VDB-353193 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #776230 | UTT HiPER 1250GW <=v3.2.7-210907-180535 Buffer Overflow third-party-advisory
https://github.com/kirlic123/IOTvulner/blob/main/309-1/5.md exploit