CVE-2023-30313
CVE-2023-30313 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-34736
- Published:
- Last modified:
Description
An issue discovered in Wavlink QUANTUM D2G routers allows attackers to hijack TCP sessions which could lead to a denial of service.
Frequently asked questions
- What is CVE-2023-30313?
- An issue discovered in Wavlink QUANTUM D2G routers allows attackers to hijack TCP sessions which could lead to a denial of service.
- How severe is CVE-2023-30313?
- CVE-2023-30313 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-30313 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2023-30313?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-30313 have an EU (EUVD) identifier?
- Yes. CVE-2023-30313 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-34736.
- When was CVE-2023-30313 published?
- CVE-2023-30313 was published on 2024-05-28 and last updated on 2026-06-17.