D-Link DIR-816 1.10CNB05: stack bof in form2RepeaterStep2.cgi
CVE-2026-4181 Published on March 15, 2026
D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow
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.
Timeline
Advisory disclosed
VulDB entry created
VulDB entry last update
Weakness Types
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-4181 has been classified to as a Stack Overflow vulnerability or weakness.
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2026-4181 has been classified to as a Buffer Overflow vulnerability or weakness.