Skip to content
Fencer Vulns
critical 9.8

CVE-2021-45876 json

Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by unauthenticated command injection.

published 2022-03-21 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32592

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by unauthenticated command injection. The url parameter of the function module downloadAndUpdate is vulnerable to an command Injection. Unfiltered user input is used to generate code which then gets executed when downloading new firmware.

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.