UTT HiPER 1200GW Buffer Overflow (CVE-2026-7512) Poses Remote Risk
A critical buffer overflow vulnerability, identified as CVE-2026-7512, has been discovered in UTT HiPER 1200GW devices running firmware up to version 2.5.3-1703. According to the National Vulnerability Database, this flaw resides in the strcpy function within the /goform/formUser file. The vulnerability carries a high CVSSv3.1 score of 8.8, indicating severe risk.
This isn’t a theoretical issue. The National Vulnerability Database confirms that an exploit for CVE-2026-7512 has already been published, making these devices immediate targets. Attackers can trigger this buffer overflow remotely, which can lead to high impact on confidentiality, integrity, and availability. This is a classic C-level vulnerability (CWE-119, CWE-120) that continues to plague embedded systems.
For defenders, the calculus is simple: unpatched UTT HiPER 1200GW devices are exposed. The remote attack vector, coupled with public exploit code, means these are low-hanging fruit for opportunistic attackers. Expect to see this vulnerability weaponized quickly. Prioritize patching or isolation immediately.
What This Means For You
- If your organization uses UTT HiPER 1200GW devices, you need to identify all instances running firmware up to 2.5.3-1703. Given the public exploit and remote attack vector for CVE-2026-7512, these devices are at imminent risk. Isolate or patch them immediately. Don't wait for an incident.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-7512 - UTT HiPER 1200GW /goform/formUser Buffer Overflow Attempt
title: CVE-2026-7512 - UTT HiPER 1200GW /goform/formUser Buffer Overflow Attempt
id: scw-2026-05-01-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit CVE-2026-7512 by targeting the strcpy function within the /goform/formUser endpoint on UTT HiPER 1200GW devices. This rule specifically looks for POST requests to this URI that contain 'strcpy' in the query string, indicating a potential buffer overflow attempt.
author: SCW Feed Engine (AI-generated)
date: 2026-05-01
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-7512/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|endswith:
- '/goform/formUser'
cs-method|exact:
- 'POST'
cs-uri-query|contains:
- 'strcpy'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-7512 | Buffer Overflow | UTT HiPER 1200GW up to 2.5.3-1703 |
| CVE-2026-7512 | Buffer Overflow | Vulnerable function: strcpy in /goform/formUser |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 01, 2026 at 03:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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