HOMEVULNERABILITIESCVE-2021-37555
CRITICAL

CVE-2021-37555

CWE-798Published: July 26, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

TX9 Automatic Food Dispenser v3.2.57 devices allow access to a shell as root/superuser, a related issue to CVE-2019-16734. To connect, the telnet service is used on port 23 with the default password of 059AnkJ for the root account. The user can then download the filesystem through preinstalled BusyBox utilities (e.g., tar and nc).

NVD Source

Technical Analysis

CVE-2021-37555 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

trixie2 product(s)
tx9 automatic food dispenser firmwaretx9 automatic food dispenser
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2021-37555
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedJul 26, 2021

Related CVEs (CWE-798)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-37555 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.