EUVD-2026-12231
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Lifecycle Timeline
4Description
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.
Analysis
CVE-2026-4180 is an authentication bypass vulnerability in the D-Link DIR-816 router (version 1.10CNB05) affecting the redirect.asp file in the goahead component, allowing remote attackers to gain unauthorized access without authentication. A public proof-of-concept exploit is available and the affected product is no longer supported by D-Link, making this vulnerability permanently unpatched.
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 24 hours: Inventory all D-Link DIR-816 devices in production and isolate any affected units from critical networks; document current firmware versions and network topology. Within 7 days: Replace affected routers with supported alternatives from the vendor or evaluate network architecture to eliminate dependency on this unsupported device; if replacement is impossible, implement network segmentation to restrict access to the device's web interface. …
Sign in for detailed remediation steps.
Priority Score
Share
External POC / Exploit Code
Leaving vuln.today