CVE-2026-4181

D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow

CVSS 9.3 CRITICALEPSS 1.2%CWE-119 CWE-121

A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched 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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Affected products

D-Link · DIR-816

public PoCs found — 1

cve_referencegithub.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.mdunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md https://vuldb.com/?ctiid.351085 https://vuldb.com/?id.351085 https://vuldb.com/?submit.769829 https://www.dlink.com/