{"api_version":"1","generated_at":"2026-10-01T06:02:28+00:00","cve":"CVE-2026-91191","urls":{"html":"https://cve.report/CVE-2026-91191","api":"https://cve.report/api/cve/CVE-2026-91191.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-91191","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-91191"},"summary":{"title":"Lantronix G520 Series Cellular Gateway Improper Verification of Cryptographic Signature","description":"The device's update mechanism includes conditions that allow unauthorized software packages to be accepted as authentic. During the boot process, the stock done function disables signature verification in the OPKG configuration before restoring optional packages from a writable, unsigned feed. Separately, the publicly distributed SDK contains the production private key whose corresponding public key is trusted by both stable and beta firmware builds. 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https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528

\n

For more information, see the Lantronix Vulnerability Library.
https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/

For more information or technical assistance, contact Lantronix support: Support@lantronix.com
mailto:Support@lantronix.com

\n\n
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