Vulnerability · Published May 27, 2026 · Assigned by VulDB

CVE-2026-9628UTT HiPER 1200GW Web Management formPptpClientConfig 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 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.5%top 59.0% 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 an unknown function of the file /goform/formPptpClientConfig of the component Web Management Interface. This manipulation of the argument PPTP server address/username/password/tunnel name causes stack-based buffer overflow. The attack may be initiated remotely. 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:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-365684 | UTT HiPER 1200GW Web Management formPptpClientConfig stack-based overflow vdb-entry, technical-description
VDB-365684 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #818380 | UTT HiPER 1200GW <=v2.5.3-170306 Buffer Overflow third-party-advisory
https://github.com/luozhibo-sec/cve/blob/main/10.md exploit