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CVE-2025-4749— D-Link DI-7003GV2 Factory Reset backup.asp sub_4983B0 denial of service

Quick assessment

Affected
D-Link DI-7003GV2
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.

D-Link DI-7003G是中国友讯（D-Link）公司的一款无线路由器。 D-Link DI-7003G 24.04.18D1 R(68125)版本存在安全漏洞，该漏洞源于文件/H5/backup.asp中函数sub_4983B0处理不当，可能导致拒绝服务。

CVSS 7.5 · High EPSS 1.40% · P70

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-4749

Vulnerability Information
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Vulnerability Title
D-Link DI-7003GV2 Factory Reset backup.asp sub_4983B0 denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in D-Link DI-7003GV2 24.04.18D1 R(68125). This vulnerability affects the function sub_4983B0 of the file /H5/backup.asp?opt=reset of the component Factory Reset Handler. The manipulation leads to denial of service. The attack can be initiated 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:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DI-7003G 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DI-7003G是中国友讯（D-Link）公司的一款无线路由器。 D-Link DI-7003G 24.04.18D1 R(68125)版本存在安全漏洞，该漏洞源于文件/H5/backup.asp中函数sub_4983B0处理不当，可能导致拒绝服务。
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
D-Link DI-7003GV2 24.04.18D1 R(68125) -

II. Public POCs for CVE-2025-4749

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6378 chars
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2025-4749

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News Coverage for CVE-2025-4749 (1)

Vendor Pages for CVE-2025-4749 (1)

Same Patch Batch · D-Link · 2025-05-16 · 7 CVEs total

CVE-2025-4755 7.3 HIGH D-Link DI-7003GV2 netconfig.asp sub_497DE4 improper authentication
CVE-2025-4756 5.3 MEDIUM D-Link DI-7003GV2 restart.asp denial of service
CVE-2025-4753 5.3 MEDIUM D-Link DI-7003GV2 login.data information disclosure
CVE-2025-4752 5.3 MEDIUM D-Link DI-7003GV2 install_base.data information disclosure
CVE-2025-4751 5.3 MEDIUM D-Link DI-7003GV2 index.data information disclosure
CVE-2025-4750 5.3 MEDIUM D-Link DI-7003GV2 Configuration get_version.data information disclosure

IV. Related Vulnerabilities

Same product: DI-7003GV2
Same vendor: D-Link
Same weakness: CWE-404

V. Comments for CVE-2025-4749

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