CVE-2025-13188: d-link dir-816l

Vulnerability summary

CVE-2025-13188 is a high (CVSS 10.0) vulnerability in d-link dir-816l. EPSS estimates a 2.39% chance of exploitation in the next 30 days, higher than 83.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 14-11-2025
   PublishedVulnerability first disclosed.
2. 17-11-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function authenticationcgi_main of the file /authentication.cgi. Performing manipulation of the argument Password results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

• 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).