# CVE-2026-121688: CVE-2026-121688

Status: published. Published: 2026-11-09. Updated: 2026-11-12.

FrodoBots EarthRover Mini+ firmware (version 6.2.4_6.2.5_0.614.0) contains an insecure STM32 firmware update mechanism. The STM32 motor‑controller firmware is fetched over unencrypted HTTP. Integrity is validated only via MD5, with the hash provided in the same unprotected response. No code‑signing mechanism is implemented, allowing firmware to be replaced with potentially malicious code.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- FrodoBots / FrodoBots EarthRover Mini+ firmware: 6.2.4_6.2.5_0.614.0 (affected). Source: CNA: certcc

## Severity and prioritization

- CVSS 3.1: 9.1 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N; source: ADP: CISA-ADP

- CVSS 3.1: 9.1 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: 0.12% as of 2026-11-12; percentile 1.64%

- SSVC: exploitation none; automatable yes; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-494

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.frodobots.ai/ (CNA: certcc)

- https://github.com/frodobots-org (CNA: certcc)

- https://kb.cert.org/vuls/id/188754 (CNA: certcc)

- https://github.com/frodobots-org (cret@cert.org)

- https://kb.cert.org/vuls/id/188754 (cret@cert.org)

- https://www.frodobots.ai/ (cret@cert.org)

## Provenance

- CNA: certcc: https://www.cve.org/CVERecord?id=CVE-2026-121688; retrieved 2026-11-12; source updated 2026-11-12

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-121688; retrieved 2026-11-12; source updated 2026-11-12

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-121688; retrieved 2026-11-12; source updated Not reported

Revision: b03297fb3f104498f9f2a7caa323a342db7beb23319e0790a013747761f80cfa

Canonical: https://y2.dev/cve/CVE-2026-121688

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.