CVE-2026-10206: d-link di-8400

Vulnerability summary

CVE-2026-10206 is a high (CVSS 9.0) vulnerability in d-link di-8400. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 01-06-2026
   PublishedVulnerability first disclosed.
2. 01-06-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was detected in D-Link DI-8400 up to 16.07.26A1. This affects an unknown function of the file /dbsrv.asp. Performing a manipulation of the argument str results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The initial researcher advisory mentions contradicting parameter names to be affected.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
• CWE-121Stack-based Buffer OverflowA 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).