CVE-2026-1803: Ziroom ZHOME A0101 Dropbear SSH Service default credentials

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-03 · updated 2026-06-17
Weakness: CWE-1392

Description

A weakness has been identified in Ziroom ZHOME A0101 1.0.1.0. Impacted is an unknown function of the component Dropbear SSH Service. This manipulation causes use of default credentials. Remote exploitation of the attack is possible. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Ziroom ZHOME A0101: 1.0.1.0

References

https://github.com/Blackhole23-Lab/-/blob/main/vulns/ssh-backdoor.md
https://github.com/Blackhole23-Lab/-/blob/main/vulns/ssh-backdoor.md#proof-of-concept
https://vuldb.com/?ctiid.343976
https://vuldb.com/?id.343976
https://vuldb.com/?submit.745497
https://vuldb.com/?submit.745529

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