CVE-2026-6013 D-Link CVE debrief

Who should care

Defenders of D-Link DIR-513 devices with firmware version 1.10 should assess exposure and verify if compensating controls are in place. This includes reviewing system logs for potential exploitation attempts and monitoring for buffer overflow attacks. Security teams should prioritize patching or mitigating vulnerable systems to prevent exploitation. Operators of affected systems should be aware of the potential for remote exploitation and take steps to bảo

Why it matters

The buffer overflow vulnerability in D-Link DIR-513 1.10 can be exploited remotely, and the exploit is now public and may be used. Defenders of D-Link DIR-513 devices with firmware version 1.10 should assess exposure and verify if compensating controls are in place.

• Verify exposure of D-Link DIR-513 devices with firmware version 1.10
• Assess potential remote exploitation attempts
• Monitor for potential buffer overflow attacks

Technical summary

The vulnerability affects the function formSetRoute of the file /goform/formSetRoute in D-Link DIR-513 1.10. The manipulation of the argument curTime results in buffer overflow. The attack may be performed from remote. The vulnerability has been publicly disclosed and may be used by attackers to exploit vulnerable systems. Technical details of the vulnerability are limited, but defenders should be aware of the potential for remote exploitation. The vulnerability only affects products that are no longer supported by the maintainer.

Defensive priority

Assess exposure of D-Link DIR-513 devices with firmware version 1.10 and verify if compensating controls are in place.

Recommended defensive actions

• Assess exposure of D-Link DIR-513 devices with firmware version 1.10
• Verify if compensating controls are in place
• Monitor for potential exploitation attempts
• Review vendor guidance for patching or mitigation
• Perform vulnerability scanning to identify exposed systems
• Implement additional security controls to prevent exploitation
• Track exceptions and retest remediated assets

Evidence notes

The vulnerability was detected in D-Link DIR-513 1.10 and affects the function formSetRoute. The exploit is now public and may be used. Evidence of exploitation attempts may be found in system logs. Defenders should verify if compensating controls are in place and monitor for potential buffer overflow attacks. The vulnerability has been publicly disclosed and may be used by attackers to exploit vulnerable systems.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.