CVE-2023-31998
CVE-2023-31998 is a high-severity vulnerability in Ui Edgemax Edgerouter Firmware 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. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Ui Edgemax Edgerouter Firmware
- Published:
- Last modified:
Description
A heap overflow vulnerability found in EdgeRouters and Aircubes allows a malicious actor to interrupt UPnP service to said devices.
Frequently asked questions
- What is CVE-2023-31998?
- A heap overflow vulnerability found in EdgeRouters and Aircubes allows a malicious actor to interrupt UPnP service to said devices.
- How severe is CVE-2023-31998?
- CVE-2023-31998 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-2023-31998 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31998?
- CVE-2023-31998 primarily affects Ui Edgemax Edgerouter Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-31998?
- 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.
- When was CVE-2023-31998 published?
- CVE-2023-31998 was published on 2023-07-18 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:*:*:*:*:*:*:*
- cpe:2.3:o:ui:aircube_firmware:*:*:*:*:*:*:*:*
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