Vulnerability · Published Aug 19, 2026 · Assigned by VulDB

CVE-2026-76003UTT HiPER 1200GW formGroupConfig strcpy stack-based overflow

Critical 9.9

In plain English

A critical-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 56% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical

Exploit odds (30 days)0.8%top 43.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A weakness has been identified in UTT HiPER 1200GW up to 2.5.3-170306. Affected is the function strcpy of the file /goform/formGroupConfig. Executing a manipulation of the argument timestart can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Affected products (as reported)

Vendor	Product	Versions
UTT	HiPER 1200GW	2.5.3-170306

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

References

VDB-391919 | UTT HiPER 1200GW formGroupConfig strcpy stack-based overflow vdb-entry, technical-description
VDB-391919 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-76003 | CVE Analysis and Report third-party-advisory
Submit #877884 | UTT HiPER 1200GW <=v2.5.3-170306 Buffer Overflow third-party-advisory
https://github.com/7wkajk/CVE-VUL/blob/main/105.md exploit