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CVE-2025-1898— Tenda TX3 openSchedWifi buffer overflow

Quick assessment

Affected
Tenda TX3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda TX3是中国腾达（Tenda）公司的一款无线路由器。 Tenda TX3 16.03.13.11_multi存在安全漏洞，该漏洞源于对参数 schedStartTime/schedEndTime 的错误操作会导致缓冲区溢出。

CVSS 6.5 · Medium EPSS 0.82% · P55
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I. Basic Information for CVE-2025-1898

Vulnerability Information
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Vulnerability Title
Tenda TX3 openSchedWifi buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in Tenda TX3 16.03.13.11_multi. Affected is an unknown function of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda TX3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda TX3是中国腾达（Tenda）公司的一款无线路由器。 Tenda TX3 16.03.13.11_multi存在安全漏洞，该漏洞源于对参数 schedStartTime/schedEndTime 的错误操作会导致缓冲区溢出。
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
Tenda TX3 16.03.13.11_multi -

II. Public POCs for CVE-2025-1898

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III. Intelligence Information for CVE-2025-1898

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Vendor Advisories for CVE-2025-1898 (3)

Proof of Concept for CVE-2025-1898 (1)

Same Patch Batch · Tenda · 2025-03-04 · 5 CVEs total

CVE-2025-1899 6.5 MEDIUM Tenda TX3 setPptpUserList buffer overflow
CVE-2025-1897 6.5 MEDIUM Tenda TX3 SetNetControlList buffer overflow
CVE-2025-1896 6.5 MEDIUM Tenda TX3 SetStaticRouteCfg buffer overflow
CVE-2025-1895 6.5 MEDIUM Tenda TX3 setMacFilterCfg buffer overflow

IV. Related Vulnerabilities

Same product: TX3
Same vendor: Tenda
Same weakness: CWE-120

V. Comments for CVE-2025-1898

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