CVE-2025-4451— D-Link DIR-619L formSetWAN_Wizard52 buffer overflow
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I. Basic Information for CVE-2025-4451
Vulnerability Information
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Vulnerability Title
D-Link DIR-619L formSetWAN_Wizard52 buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in D-Link DIR-619L 2.04B04 and classified as critical. Affected by this vulnerability is the function formSetWAN_Wizard52. The manipulation of the argument curTime leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.
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
D-Link DIR-619L 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-619L是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-619L 2.04B04版本存在安全漏洞，该漏洞源于formSetWAN_Wizard52函数对curTime参数处理不当，可能导致缓冲区溢出。
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
II. Public POCs for CVE-2025-4451
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Same Patch Batch · D-Link · 2025-05-09 · 8 CVEs total
| CVE-2025-4448 | 8.8 HIGH | D-Link DIR-619L formEasySetupWizard buffer overflow |
| CVE-2025-4449 | 8.8 HIGH | D-Link DIR-619L formEasySetupWizard3 buffer overflow |
| CVE-2025-4450 | 8.8 HIGH | D-Link DIR-619L formSetEasy_Wizard buffer overflow |
| CVE-2025-4452 | 8.8 HIGH | D-Link DIR-619L formSetWizard2 buffer overflow |
| CVE-2025-4445 | 6.3 MEDIUM | D-Link DIR-605L wake_on_lan command injection |
| CVE-2025-4453 | 6.3 MEDIUM | D-Link DIR-619L formSysCmd command injection |
| CVE-2025-4454 | 6.3 MEDIUM | D-Link DIR-619L wake_on_lan command injection |
IV. Related Vulnerabilities
Same product: DIR-619L
- CVE-2026-4188
D-Link DIR-619L boa formSchedule stack-based overflow - CVE-2025-8978
D-Link DIR-619L boa FirmwareUpgrade data authenticity - CVE-2025-6617
D-Link DIR-619L formAdvanceSetup stack-based overflow - CVE-2025-6616
D-Link DIR-619L formSetWAN_Wizard51 stack-based overflow - CVE-2025-6615
D-Link DIR-619L formAutoDetecWAN_wizard4 stack-based overflo
Same vendor: D-Link
- CVE-2026-8273
D-Link DNS-320 system_mgr.cgi cgi_merge_user os command inje - CVE-2026-8272
D-Link DNS-320 webfile_mgr.cgi chown os command injection - CVE-2026-8271
D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command inje - CVE-2026-8260
D-Link DCS-935L HNAP Service hnap_service SetDeviceSettings - CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow
Same weakness: CWE-120
- CVE-2026-8260
D-Link DCS-935L HNAP Service hnap_service SetDeviceSettings - CVE-2026-8137
Totolink X5000R formDdns sub_458E40 buffer overflow - CVE-2026-6691
MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow - CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow - CVE-2026-7856
D-Link DI-8100 Web Management url_member.asp buffer overflow
V. Comments for CVE-2025-4451
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