---
title: "CVE-2023-46273: Extreme Networks IQ Engine - Buffer Overflow"
description: "Extreme Networks IQ Engine before 10.6r1a and 10.6r4 before 10.6r5 contains a buffer overflow caused by ah_event_send in ah_bgd, letting attackers cause memory corruption or remote code execution, exploit requires crafted input."
url: https://panop.io/threat-heartbeat/CVE-2023-46273/
---

# CVE-2023-46273 Extreme Networks IQ Engine - Buffer Overflow

Extreme Networks IQ Engine before 10.6r1a and 10.6r4 before 10.6r5 contains a buffer overflow caused by ah\_event\_send in ah\_bgd, letting attackers cause memory corruption or remote code execution, exploit requires crafted input.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.31% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2023-46273)

## Details

Type

Buffer Overflow

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Update to version 10.6r5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2023-46273](https://nvd.nist.gov/vuln/detail/CVE-2023-46273)
- [https://extreme-networks.my.site.com/ExtrArticleDetail?an=000115356](https://extreme-networks.my.site.com/ExtrArticleDetail?an=000115356)
- [https://extremenetworks.com](https://extremenetworks.com/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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