Zbtlink security advisory (AV26-779)
Serial number: AV26-779 Date: August 5, 2026 As of August 5, 2026, Zbtlink is affected by a vulnerability in the following products: CPE2801 Firmware 22.10.09 WE1026-5G-WD Firmware 21.04.07 WE1326 Firmware 22.02.18_1 WE2007 Firmware 23.08.12 WE2008-DSIM Firmware 23.08.11 WE2416 Firmware 21.03.22_1 WE3326 Firmware 20.09.30 WE5927 Firmware 22.08.10 WE5931 Firmware 22.05.31 WE5931AC Firmware 22.05.31 WE826-T3-DSIM Firmware 21.12.21 WG108 Firmware 21.08.06_1 WG1602 Firmware 23.10.11 WG1608-DSIM Firmware 23.03.16 WG209 Firmware 21.07.28 WG2105 Firmware 22.05.30 WG2107 Firmware 22.09.08 WG259 Firmware 21.03.23 WG3526 Firmware 22.11.01 ZBT-Z8102AX-2SIM Firmware 7.6.7.2-25.0814_114432 The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available. GitHub - ycsunjane/rctl: remote linux control | GitHub ENDLESSDOORS: Zbtlink Router rctl/kworker Phone-Home Root Implant | Advisories | VulnCheck Zbtlink - Firmware Download
CSIRTS triage
- What
- Unspecified vulnerability affects multiple Zbtlink networking and wireless products across various firmware versions.
- Who is affected
- Users of Zbtlink CPE, wireless, and networking devices with listed firmware versions.
- Urgency
- Moderate urgency; details are insufficient but advisory recommends reviewing and applying updates when available.
- Action
- Monitor Zbtlink for security updates and apply firmware patches as they become available for affected devices.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/zbtlink-security-advisory-av26-779
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