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CVE-2026-23812

MEDIUMCVSS 4.2/10EPSS 0.15%

Last modified

CVE-2026-23812 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. A vulnerability has been identified where an attacker connecting to an access point as a standard wired or wireless client can impersonate a gateway by leveraging an address-based spoofing technique. Successful exploitation enables the redirection of data streams, allowing for the interception or modification of traffic intended for the legitimate network gateway via a Machine-in-the-Middle (MitM) position.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified where an attacker connecting to an access point as a standard wired or wireless client can impersonate a gateway by leveraging an address-based spoofing technique. Successful exploitation enables the redirection of data streams, allowing for the interception or modification of traffic intended for the legitimate network gateway via a Machine-in-the-Middle (MitM) position.

Metrics

CVSS 3.1
4.2/10

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

EPSS Probability
0.15%

4.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ArubanetworksArubaos>= 6.5.4.0, <= 8.10.0.21
ArubanetworksArubaos>= 8.11.0.0, <= 8.12.0.6
ArubanetworksArubaos>= 8.13.0.0, <= 8.13.1.1
ArubanetworksArubaos>= 10.3.0.0, <= 10.4.1.10
ArubanetworksArubaos>= 10.5.0.0, <= 10.7.2.2
ArubanetworksArubaos10.8.0.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-23812?
A vulnerability has been identified where an attacker connecting to an access point as a standard wired or wireless client can impersonate a gateway by leveraging an address-based spoofing technique. Successful exploitation enables the redirection of data streams, allowing for the interception or modification of traffic intended for the legitimate network gateway via a Machine-in-the-Middle (MitM) position.
How severe is CVE-2026-23812?
CVE-2026-23812 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2026-23812?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-23812?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST