CVE-2025-70251: dlink dir-513_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2025-70251 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in dlink dir-513_firmware. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 10-03-2026
   PublishedVulnerability first disclosed.
2. 10-03-2026
   Last modifiedVulnerability information updated.

Description

Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the webPage parameter to goform/formWlanGuestSetup.

• 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).