CVE-2024-42936
CVE-2024-42936 is a critical-severity vulnerability in Ruijie Reyee Os with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-39451
- Weakness: CWE-94
- Affected product: Ruijie Reyee Os
- Published:
- Last modified:
Description
The mqlink.elf is service component in Ruijie RG-EW300N with firmware ReyeeOS 1.300.1422 is vulnerable to Remote Code Execution via a modified MQTT broker message.
Frequently asked questions
- What is CVE-2024-42936?
- The mqlink.elf is service component in Ruijie RG-EW300N with firmware ReyeeOS 1.300.1422 is vulnerable to Remote Code Execution via a modified MQTT broker message.
- How severe is CVE-2024-42936?
- CVE-2024-42936 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-42936 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-42936?
- CVE-2024-42936 affects Ruijie Reyee Os. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-42936?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-42936 have an EU (EUVD) identifier?
- Yes. CVE-2024-42936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39451.
- When was CVE-2024-42936 published?
- CVE-2024-42936 was published on 2025-01-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:ruijie:reyee_os:1.300.1422:*:*:*:*:*:*:*
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