COMMON WEAKNESS ENUMERATIONDraft

CWE-686

Function Call With Incorrect Argument Type

The product calls a function, procedure, or routine, but the caller specifies an argument that is the wrong data type, which may lead to resultant weaknesses.

Abstraction

Variant

Structure

Simple

Likelihood of Exploit

Medium

Understand the problem

What is the problem?

The product calls a function, procedure, or routine, but the caller specifies an argument that is the wrong data type, which may lead to resultant weaknesses.

Extended description

This weakness is most likely to occur in loosely typed languages, or in strongly typed languages in which the types of variable arguments cannot be enforced at compilation time, or where there is implicit casting.

Root cause

How and when does the problem arise?

Lifecycle phase

Implementation

Risk

What does successful exploitation lead to?

Quality Degradation

Affected security scopes: Other

Defence

How is it prevented and fixed?

  • Follow secure coding guidelines for input handling and boundary checking.
  • Enforce strict security reviews and automated static analysis (SAST) checks.

Verification

How is it detected?

Other

Opportunistic
Because this function call often produces incorrect behavior, it will usually be detected during testing or normal operation of the product.
CWE-686: Common Weakness Enumeration Entry CWE-686 · DayBreach Sözlük · DayBreach