CVE-2024-40083
CVE-2024-40083 is a critical-severity vulnerability with a CVSS 3.x base score of 9.6. 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-120.
Key facts
- Severity: Critical (CVSS 3.x base score 9.6)
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-38405
- Weakness: CWE-120
- Published:
- Last modified:
Description
A Buffer Overflow vulnerabilty in the local_app_set_router_token function of Vilo 5 Mesh WiFi System <= 5.16.1.33 allows remote, unauthenticated attackers to execute arbitrary code via sscanf reading the token and timezone JSON fields into a fixed-length buffer.
Frequently asked questions
- What is CVE-2024-40083?
- A Buffer Overflow vulnerabilty in the local_app_set_router_token function of Vilo 5 Mesh WiFi System <= 5.16.1.33 allows remote, unauthenticated attackers to execute arbitrary code via sscanf reading the token and timezone JSON fields into a fixed-length buffer.
- How severe is CVE-2024-40083?
- CVE-2024-40083 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-40083 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-40083?
- 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-2024-40083 have an EU (EUVD) identifier?
- Yes. CVE-2024-40083 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38405.
- When was CVE-2024-40083 published?
- CVE-2024-40083 was published on 2024-10-21 and last updated on 2026-07-05.
References
EU advisories (EUVD)
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