CVE-2026-14605

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-03. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was identified in RT-Thread up to 5.0.2. Affected by this vulnerability is the function recvmsg in the library bsp/loongson/ls1cdev/libraries/ls1c_can.h of the component ls1c CAN Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.8
EG Score
7.8(high)
EPSS
3.8%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (2)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

[Bug] Security-related Bug: ls1c CAN receive path trusts raw DLC and writes past rt_can_msg data · Issue #11424 · RT-Thread/rt-thread · GitHub

https://github.com/RT-Thread/rt-thread/issues/11424
generic

GitHub - RT-Thread/rt-thread: RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/ · GitHub

https://github.com/RT-Thread/rt-thread/

Vendor Advisories for CVE-2026-14605(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 19× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 01:49 UTCEG score recompute
  2. 2026-07-07 01:49 UTCGHSA enrichment
  3. 2026-07-06 18:21 UTCNVD updateCVSS v4 → 7.1
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 15:36 UTCMITRE cvelistV5CVSS v4 → 8.5
  6. 2026-07-06 12:54 UTCEG score recompute
  7. 2026-07-06 12:54 UTCGHSA enrichment
  8. 2026-07-05 23:59 UTCEG score recompute
  9. 2026-07-05 23:59 UTCGHSA enrichment
  10. 2026-07-05 11:06 UTCEG score recompute
  11. 2026-07-05 11:06 UTCGHSA enrichment
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-04 22:13 UTCEG score recompute
  15. 2026-07-04 22:13 UTCGHSA enrichment
  16. 2026-07-04 09:20 UTCEG score recompute
  17. 2026-07-04 09:20 UTCGHSA enrichment
  18. 2026-07-03 20:27 UTCEG score recompute
  19. 2026-07-03 20:27 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-14605?
CVE-2026-14605 is a high vulnerability published on July 3, 2026. A vulnerability was identified in RT-Thread up to 5.0.2. Affected by this vulnerability is the function recvmsg in the library bsp/loongson/ls1cdev/libraries/ls1c_can.h of the component ls1c CAN Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach…
When was CVE-2026-14605 disclosed?
CVE-2026-14605 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14605 actively exploited?
CVE-2026-14605 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-14605?
CVE-2026-14605 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-14605?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14605, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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