CVE-2026-18897 in HiPER 1250GW
Summary
by MITRE • 08/05/2026
A vulnerability was identified in UTT HiPER 1250GW up to v3.2.7-210907-180535. The impacted element is the function strcpy of the file /goform/getOneApConfTempEntry. The manipulation of the argument tempName leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 08/05/2026
This vulnerability resides within the UTT HiPER 1250GW wireless access point firmware version 3.2.7-210907-180535 and earlier, specifically targeting the /goform/getOneApConfTempEntry endpoint. The flaw manifests through the insecure use of the strcpy function in the affected software component, creating a classic stack-based buffer overflow condition that can be exploited remotely by attackers. The vulnerability is triggered when manipulating the tempName argument, which allows an attacker to exceed the bounds of a fixed-size buffer allocated on the stack. This particular implementation lacks proper input validation or boundary checking mechanisms that would normally prevent such overflows from occurring.
The technical exploitation of this vulnerability enables remote code execution capabilities through carefully crafted inputs that overflow the designated buffer space and overwrite adjacent memory locations including return addresses and control flow data. According to the CWE database, this represents a specific instance of CWE-121 Stack-based Buffer Overflow, which falls under the broader category of memory safety issues that have historically led to significant security breaches across various network devices. The attack surface is particularly concerning as it allows for remote exploitation without requiring physical access or authentication credentials, making it an attractive target for threat actors seeking to compromise wireless infrastructure.
The operational impact of this vulnerability extends beyond simple denial of service scenarios, as successful exploitation could lead to complete system compromise, persistent backdoor installation, and potential lateral movement within network environments where these devices operate. Network administrators face significant risk when deploying these affected units, as they become potential entry points for attackers targeting corporate networks, especially in environments where wireless access points serve as critical infrastructure components. The fact that a public exploit exists for this vulnerability significantly amplifies the threat level, as it removes the need for sophisticated exploitation techniques and allows even less skilled attackers to potentially compromise affected systems.
Given the vendor's lack of response despite early disclosure attempts, organizations utilizing these devices must implement immediate defensive measures including network segmentation, firewall rule configuration to restrict access to the vulnerable endpoint, and deployment of intrusion detection signatures that can identify exploitation attempts. The ATT&CK framework categorizes this vulnerability under T1210 Exploitation of Remote Services, with potential lateral movement through T1071.3 Application Layer Protocol: Web Protocols once initial compromise is achieved. Organizations should also consider implementing network monitoring to detect anomalous behavior patterns that might indicate exploitation attempts targeting the specific vulnerable function and endpoint. Regular firmware updates remain critical, though the vendor's silence suggests the need for alternative mitigation strategies or potential migration away from this particular device line until proper security patches are available through official channels.