Buffer overflow in Extremenetworks Iq Engine

CVE-2023-46273

Bonjour Gateway in Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has an ah_bgd buffer overflow via ah_event_send.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (45.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-46273: held from 0.003 to 0.005.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-46273?
CVE-2023-46273 is a high-severity vulnerability in Extremenetworks Iq Engine, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-09-14.
How severe is CVE-2023-46273?
High severity. CVSS v3 base score is 8.8 out of 10.