CVE-2026-114576 Linksys CVE debrief

Who should care

Network administrators and security teams responsible for managing and securing Linksys RE6250 devices, particularly those with version 1.0.04.001, should assess exposure and verify if their devices are using the affected Web Management Interface.

Why it matters

CVE-2026-114576 is a vulnerability in the Web Management Interface of Linksys RE6250 1.0.04.001. The strcmp function's use of insufficiently random values when manipulating the session_id argument can lead to potential remote attacks with high complexity. Network administrators and security teams should assess exposure, verify device configurations, and update Web Management Interface settings to prevent unauthorized access.

• Verify if Linksys RE6250 devices with version 1.0.04.001 are using the affected Web Management Interface.
• Assess network configurations and access controls to limit exposure to potential remote attacks.
• Review and update Web Management Interface configurations to prevent unauthorized access.

Technical summary

The Web Management Interface of Linksys RE6250 1.0.04.001 contains a vulnerability in the strcmp function. The manipulation of the session_id argument leads to insufficiently random values, allowing for potential remote attacks with high complexity. The attack can be initiated remotely, and the exploit has been publicly disclosed. Network administrators and security teams should assess exposure, verify device configurations, and update Web Management Interface settings to prevent unauthorized access. The vulnerability's technical impact is related to the insufficient randomness of values, which can lead to potential security breaches if not properly addressed.

Defensive priority

Assess exposure of Linksys RE6250 devices, particularly those with version 1.0.04.001, and verify if they are using the affected Web Management Interface. Review network configurations and access controls to limit exposure.

Recommended defensive actions

• Assess and inventory Linksys RE6250 devices, particularly those with version 1.0.04.001.
• Verify network configurations and access controls to limit exposure.
• Review and update Web Management Interface configurations to prevent unauthorized access.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Review compensating controls for exposed systems while remediation is scheduled and verified.

Evidence notes

The CVE record and source item provide details about the vulnerability in Linksys RE6250 1.0.04.001. The Web Management Interface's strcmp function is affected by insufficiently random values when manipulating the session_id argument. The attack can be initiated remotely with high complexity.

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.