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CVE-2026-4180— D-Link DIR-816 goahead redirect.asp access control

Quick assessment

Affected
D-Link DIR-816
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 DIR-816是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-816 1.10CNB05版本存在访问控制错误漏洞，该漏洞源于对文件redirect.asp中参数token_id的错误操作，可能导致访问控制不当。

CVSS 7.3 · High EPSS 1.36% · P69
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I. Basic Information for CVE-2026-4180

Vulnerability Information
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Vulnerability Title
D-Link DIR-816 goahead redirect.asp access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in D-Link DIR-816 1.10CNB05. The impacted element is an unknown function of the file redirect.asp of the component goahead. The manipulation of the argument token_id leads to improper access controls. The attack may be initiated remotely. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-816 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-816是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-816 1.10CNB05版本存在访问控制错误漏洞，该漏洞源于对文件redirect.asp中参数token_id的错误操作，可能导致访问控制不当。
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 DIR-816 1.10CNB05 -

II. Public POCs for CVE-2026-4180

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9159 chars
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In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-4180

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Vendor Advisories for CVE-2026-4180 (2)

Proof of Concept for CVE-2026-4180 (1)

Vendor Pages for CVE-2026-4180 (1)

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-2026-4188 8.8 HIGH D-Link DIR-619L boa formSchedule 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-2026-4197 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-816
Same vendor: D-Link
Same weakness: CWE-284

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