CVE-2026-4184

D-Link DIR-816 goahead form2Wl5BasicSetup.cgi stack-based overflow

CVSS 9.3 CRITICALEPSS 1.2%CWE-119 CWE-121

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.3EPSS 1.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

15 Mar 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

A vulnerability was detected in D-Link DIR-816 1.10CNB05. Affected by this vulnerability is an unknown functionality of the file /goform/form2Wl5BasicSetup.cgi of the component goahead. Performing a manipulation of the argument pskValue results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. 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_88/88.mdunverified

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

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_88/88.md https://vuldb.com/?ctiid.351088 https://vuldb.com/?id.351088 https://vuldb.com/?submit.769832 https://www.dlink.com/