CVE-2026-4188— D-Link DIR-619L boa formSchedule stack-based overflow
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I. Basic Information for CVE-2026-4188
Vulnerability Information
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Vulnerability Title
D-Link DIR-619L boa formSchedule stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in D-Link DIR-619L 2.06B01. The affected element is the function formSchedule of the file /goform/formSchedule of the component boa. Performing a manipulation of the argument curTime results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. 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
栈缓冲区溢出
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 2.06B01版本存在安全漏洞，该漏洞源于对文件/goform/formSchedule中参数curTime的错误操作，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
II. Public POCs for CVE-2026-4188
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Same Patch Batch · D-Link · 2026-03-15 · 11 CVEs total
| CVE-2026-4184 | 9.8 CRITICAL | D-Link DIR-816 goahead form2Wl5BasicSetup.cgi stack-based overflow |
| CVE-2026-4183 | 9.8 CRITICAL | D-Link DIR-816 goahead form2WlanBasicSetup.cgi stack-based overflow |
| CVE-2026-4182 | 9.8 CRITICAL | D-Link DIR-816 goahead form2Wl5RepeaterStep2.cgi stack-based overflow |
| CVE-2026-4181 | 9.8 CRITICAL | D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow |
| CVE-2026-4194 | 7.3 HIGH | D-Link DNS-1550-04 system_mgr.cgi cgi_set_wto access control |
| CVE-2026-4193 | 7.3 HIGH | D-Link DIR-823G goahead UpdateClientInfo access control |
| CVE-2026-4180 | 7.3 HIGH | D-Link DIR-816 goahead redirect.asp access control |
| CVE-2026-4197 | 6.3 MEDIUM | D-Link DNS-1550-04 download_mgr.cgi RSS_Item_List command injection |
| CVE-2026-4196 | 6.3 MEDIUM | D-Link DNS-1550-04 remote_backup.cgi cgi_set_rsync_server command injection |
| CVE-2026-4195 | 6.3 MEDIUM | D-Link DNS-1550-04 wizard_mgr.cgi command injection |
IV. Related Vulnerabilities
Same product: DIR-619L
- 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 - CVE-2025-6614
D-Link DIR-619L formSetWANType_Wizard5 stack-based overflow
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-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2026-4188
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