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CVE-2025-4823— TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formReflashClientTbl submit-url buffer overflow

CVSS 8.8 · High EPSS 0.98% · P77
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I. Basic Information for CVE-2025-4823

Vulnerability Information
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Vulnerability Title
TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formReflashClientTbl submit-url buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been rated as critical. Affected by this issue is the function submit-url of the file /boafrm/formReflashClientTbl of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
TOTOLINK A702r、TOTOLINK A3002R和TOTOLINK A3002RU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3002RU等都是中国吉翁电子（TOTOLINK）公司的产品。TOTOLINK A3002RU是一款无线路由器产品。TOTOLINK A702r是一款路由器设备。TOTOLINK A3002R是一款无线路由器。 TOTOLINK A702r、TOTOLINK A3002R和TOTOLINK A3002RU 3.0.0-B20230809.1615版本存在安全漏洞，该漏洞源于对文件/boafrm/formReflashClientTbl的错误操作导致缓冲区溢出。
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

VendorProductAffected VersionsCPESubscribe
TOTOLINKA702R 3.0.0-B20230809.1615 -
TOTOLINKA3002R 3.0.0-B20230809.1615 -
TOTOLINKA3002RU 3.0.0-B20230809.1615 -

II. Public POCs for CVE-2025-4823

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III. Intelligence Information for CVE-2025-4823

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Same Patch Batch · TOTOLINK · 2025-05-17 · 12 CVEs total

CVE-2025-48248.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWsc buffer overflow
CVE-2025-48258.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formDMZ buffer overflow
CVE-2025-48268.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWirelessTbl buffer overflow
CVE-2025-48278.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSaveConfig buffer overflow
CVE-2025-48298.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formStats sub_40BE30 buffer overflow
CVE-2025-48308.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSysCmd buffer overflow
CVE-2025-48318.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSiteSurveyProfile buffer overflow
CVE-2025-48328.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formDosCfg buffer overflow
CVE-2025-48338.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow
CVE-2025-48348.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSetLg buffer overflow
CVE-2025-48358.8 HIGHTOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWlanRedirect buffer overflow

IV. Related Vulnerabilities

Same product: A702R
Same vendor: TOTOLINK
Same weakness: CWE-120

V. Comments for CVE-2025-4823

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