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CVE-2023-30399

25
FAUCET Score

CVE-2023-30399 describes a critical vulnerability in GARO Wallbox GLB/GTB/GTC devices prior to v189, where insecure permissions on the settings page allow for a Man-in-the-Middle (MitM) attack. This high-severity vulnerability (CVSS 8.1) enables attackers to redirect users to malicious update packages, potentially leading to full compromise (C, I, A: High) without user interaction, though it requires high attack complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low immediate threat despite its high potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
<= 189CPE matchmatch criteria
cpe:2.3:o:garo:wallbox_glb_firmware:*:*:*:*:*:*:*:*
<= 189CPE matchmatch criteria
cpe:2.3:o:garo:wallbox_gtb_firmware:*:*:*:*:*:*:*:*
<= 189CPE matchmatch criteria
cpe:2.3:o:garo:wallbox_gtc_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 23rd percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

garocharging.com / glb-wallbox
Product
github.com / Yof3ng/IoT/blob/master/Garo/CVE-2023-30399.md
ExploitThird Party Advisory
garo.se
Product