High severity · published Feb 3, 2026
CVE-2026-1803
Ziroom ZHOME A0101 Dropbear SSH Service default credentials
8.1
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZA
ZHOME A0101 · Ziroom
1.0.1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1803
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1803
github.com
https://github.com/Blackhole23-Lab/-/blob/main/vulns/ssh-backdoor.md
github.com
https://github.com/Blackhole23-Lab/-/blob/main/vulns/ssh-backdoor.md#proof-of-concept
vuldb.com
https://vuldb.com/?ctiid.343976
vuldb.com
https://vuldb.com/?id.343976
vuldb.com
https://vuldb.com/?submit.745497
vuldb.com
https://vuldb.com/?submit.745529
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