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CVE-2026-18897: Stack-based Buffer Overflow in UTT HiPER 1250GW

0
High
VulnerabilityCVE-2026-18897cvecve-2026-18897
Published: 08/05/2026 (08/05/2026, 02:00:12 UTC)
Source: CVE Database V5
Vendor/Project: UTT
Product: HiPER 1250GW

Description

CVE-2026-18897 is a high-severity stack-based buffer overflow vulnerability in the UTT HiPER 1250GW device, specifically in the strcpy function within /goform/getOneApConfTempEntry. The vulnerability is triggered by manipulating the tempName argument and can be exploited remotely without user interaction. The affected version is exactly 3.2.7-210907-180535. Although an exploit is publicly available, there is no vendor response or official patch at this time.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Affected software

UTT

HiPER 1250GW

Affected versions
=3.2.7-210907-180535
CPE configurations
cpe:2.3:a:utt:hiper_1250gw:*:*:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/12/2026, 15:35:30 UTC

Technical Analysis

This vulnerability involves a stack-based buffer overflow caused by improper handling of the tempName argument in the strcpy function of the /goform/getOneApConfTempEntry file in UTT HiPER 1250GW firmware version 3.2.7-210907-180535. Remote attackers can exploit this flaw to potentially execute arbitrary code or cause a denial of service. The vulnerability has a CVSS 4.0 score of 8.7, indicating high severity. The vendor has not provided any response or remediation, and no official patch is currently available. Public exploit code exists, increasing the risk of exploitation.

Potential Impact

Successful exploitation of this vulnerability can lead to remote code execution or denial of service on the affected device. Given the high CVSS score and the availability of public exploit code, this poses a significant risk to affected systems. The lack of vendor response or patch increases exposure.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. In the absence of an official fix, users should consider mitigating exposure by restricting network access to the affected device, disabling vulnerable services if possible, and monitoring for suspicious activity related to this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-08-04T19:59:17.724Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a729be7bf8831d539114838

Added to database: 08/05/2026, 02:11:51 UTC

Last enriched: 08/12/2026, 15:35:30 UTC

Last updated: 09/19/2026, 10:01:30 UTC

Views: 74

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