Eufy Homebase 2: Authentication Bypass by Spoofing
CVE-2022-25989 is a high-severity authentication bypass by spoofing vulnerability in Eufy Homebase 2 from Anker, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited from the same local network by an unauthenticated attacker, without any action from a user. Affected Eufy Homebase 2 versions: 2.1.8.5h. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1% chance of exploitation within 30 days, higher than 63% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Eufy Homebase 2 you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Anker | Eufy Homebase 2 | 2.1.8.5h | Not stated |
| Anker | Eufy Homebase 2 Firmware | 2.1.8.5h | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- AdjacentThe attacker must be on the same local network segment.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.8 | High | NVD |
| CVSS 3.0 | 7.1 | High | CNA (cisco.com) |
| CVSS 2.0 | 5.8 | Medium | NVD |
Official description
An authentication bypass vulnerability exists in the libxm_av.so getpeermac() functionality of Anker Eufy Homebase 2 2.1.8.5h. A specially-crafted DHCP packet can lead to authentication bypass. An attacker can DHCP poison to trigger this vulnerability.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
More Authentication Bypass by Spoofing vulnerabilities (CWE-290)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- talosintelligence.com/vulnerability_reports/TALOS-2022-1479Exploit, Third Party Advisory
Other vulnerabilities in Eufy Homebase 2
- 9.8 Critical severity
- 9.8 Critical severity
Recent Authentication Bypass by Spoofing vulnerabilities
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- 9.8 Critical severity
Apache APISIX Authentication Bypass Exploited
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Zabbix Frontend Authentication Bypass Exploited
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