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CVE-2026-18898— UTT HiPER 1200GW ConfigAdvideo strcpy stack-based overflow

Quick assessment

Affected
UTT HiPER 1200GW
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

UTT hiper 1200gw是中国UTT公司的一款企业级无线路由器。 UTT HiPER 1200GW v2.5.3-170306及之前版本存在缓冲区错误漏洞，该漏洞源于文件/goform/ConfigAdvideo中strcpy函数对参数timestart的操作，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.80% · P56

Affected Version Matrix 1

VendorProduct Version RangeStatus
UTT HiPER 1200GW v2.5.3-170306 affected
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I. Basic Information for CVE-2026-18898

Vulnerability Information
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Vulnerability Title
UTT HiPER 1200GW ConfigAdvideo strcpy stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in UTT HiPER 1200GW up to v2.5.3-170306. This affects the function strcpy of the file /goform/ConfigAdvideo. The manipulation of the argument timestart results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
UTT HiPER 1200GW 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT hiper 1200gw是中国UTT公司的一款企业级无线路由器。 UTT HiPER 1200GW v2.5.3-170306及之前版本存在缓冲区错误漏洞，该漏洞源于文件/goform/ConfigAdvideo中strcpy函数对参数timestart的操作，可能导致栈缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
UTT HiPER 1200GW v2.5.3-170306 cpe:2.3:a:utt:hiper_1200gw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18898

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 126524 chars
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III. Intelligence Information for CVE-2026-18898

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Other References for CVE-2026-18898 (1)

Same Patch Batch · UTT · 2026-08-05 · 3 CVEs total

CVE-2026-18895 8.8 HIGH UTT HiPER 1250GW APSecurity_5g strcpy stack-based overflow
CVE-2026-18897 8.8 HIGH UTT HiPER 1250GW getOneApConfTempEntry strcpy stack-based overflow

IV. Related Vulnerabilities

Same product: HiPER 1200GW
Same vendor: UTT
Same weakness: CWE-121

V. Comments for CVE-2026-18898

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