Vulnerability · Published May 27, 2026 · Assigned by VulDB

CVE-2026-9631UTT HiPER 1250GW Web Management formConfigFastDirectionW strcpy stack-based overflow

High 8.8

In plain English

A high-severity stack 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 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.4%top 61.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. Affected by this vulnerability is the function strcpy of the file /goform/formConfigFastDirectionW of the component Web Management Interface. Performing a manipulation of the argument Profile results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Affected products (as reported)

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

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-365740 | UTT HiPER 1250GW Web Management formConfigFastDirectionW strcpy stack-based overflow vdb-entry, technical-description
VDB-365740 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #818375 | UTT HiPER 1250GW <=v3.2.7-210907-180535 Buffer Overflow third-party-advisory
https://github.com/zhouguobing-maker/cve/blob/main/11.md exploit