CVE-2026-73809
highpriority · track · 0OT risk · elevatedEPSS 0.002 · 13 %ileUSEPSS · scored 2026-10-27
A cleartext transmission of sensitive information vulnerability exists in certain Ebyte gateway products. The web management interface does not adequately protect sensitive communications using transport-layer encryption. An attacker with access to network traffic could intercept authentication or session-related information transmitted between a user and the affected device. Successful exploitation could result in disclosure of sensitive information and unauthorized access to device management functionality.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationNE2-D11 Firmwarecisa_csaf_ot
Ebyte acknowledged receipt of the reported vulnerabilities and indicated that a patch was under development. However, the vendor has not responded to subsequent requests for coordination, and CISA has not been informed of the status or availability of the patch. Users are encouraged to reach out to Ebyte for more information.
- MitigationNA111-M Firmwarecisa_csaf_ot
Ebyte acknowledged receipt of the reported vulnerabilities and indicated that a patch was under development. However, the vendor has not responded to subsequent requests for coordination, and CISA has not been informed of the status or availability of the patch. Users are encouraged to reach out to Ebyte for more information.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- ICSA-26-237-06Ebyte NE2-D112026-08-25icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to gain unauthorized administrative access, disclose sensitive information, modify device configuration, hijack authenticated sessions, and disrupt device operation.
- ICSA-26-239-05Ebyte NA111-M2026-08-27icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to fully compromise the device.
sources
Which sources assert this record, and when.
references (2) nvd
External citations — patches, advisories, analysis.
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