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PatchSiren cyber security CVE debrief

CVE-2026-11505 GL.iNet CVE debrief

A vulnerability has been identified in multiple GL.iNet devices, including A1300, AX1800, AXT1800, MT2500, MT3000, MT6000, X3000, and XE3000 running firmware version 4.8.x. This vulnerability affects an unknown function within the glnassys component, potentially allowing remote attackers to utilize a hard-coded cryptographic key. The attack is considered difficult to execute, requiring a high level of complexity. The CVSS score for this vulnerability is 2.3, indicating a low severity. Users are advised to upgrade to firmware version 4.9.0 to mitigate this issue.

Vendor
GL.iNet
Product
A1300
CVSS
LOW 2.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

Who should care

Administrators and users of GL.iNet A1300, AX1800, AXT1800, MT2500, MT3000, MT6000, X3000, and XE3000 devices running firmware version 4.8.x should be aware of this vulnerability and take steps to upgrade to version 4.9.0.

Technical summary

The vulnerability (CVE-2026-11505) is caused by a flaw in the glnassys component of GL.iNet devices running firmware 4.8.x. It allows for the use of a hard-coded cryptographic key, which could be exploited remotely. The attack requires a high level of complexity and is considered difficult to execute. The CVSS:4.0 vector is AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

Low

Recommended defensive actions

  • Upgrade affected GL.iNet devices to firmware version 4.9.0.

Evidence notes

The CVE-2026-11505 record was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11505) and details are also available on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11505).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11505 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11505

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11505 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11505

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.