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CVE-2026-4183criticalCWE-119CWE-121

D-Link DIR-816 goahead form2WlanBasicSetup.cgi stack-based overflow

48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3epss 1.2%
exploitation probability
1.2%top 35% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file /goform/form2WlanBasicSetup.cgi of the component goahead. Such manipulation of the argument pskValue leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly 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 resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.