CVE-2026-121687: Missing Auth (CVSS 9.8)

Description

FrodoBots EarthRover Mini+ firmware (version 6.2.4_6.2.5_0.614.0) contains several local interfaces that are exposed without authentication. 1. HTTP REST API (port 80): motor control, telemetry/GPS/IMEI, plaintext WiFi password (GET /api/v1/wifi/status), join-arbitrary-WiFi, diagnostic export. 2. ADB (Android Debug Bridge, port 5555) access to root shell 3. SSH (port 22)

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CVSS v3.1 Score

9.8

CRITICAL

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

EPSS — Exploit Prediction

0.0020

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-306 Missing Authentication

References

Other References

https://github.com/frodobots-org https://kb.cert.org/vuls/id/188754 https://www.frodobots.ai/

Frequently Asked Questions

What is CVE-2026-121687? +

FrodoBots EarthRover Mini+ firmware (version 6.2.4_6.2.5_0.614.0) contains several local interfaces that are exposed without authentication. 1. HTTP REST API (port 80): motor control, telemetry/GPS/IMEI, plaintext WiFi password (GET /api/v1/wifi/status), join-arbitrary-WiFi, diagnostic export. 2. ADB (Android Debug Bridge, port 5555) access to root shell 3. SSH (port 22) It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-121687? +

CVE-2026-121687 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-121687? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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