Vulnerability Monitor

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CVE-2023-23119

The use of the cyclic redundancy check (CRC) algorithm for integrity check during firmware update makes Ubiquiti airFiber AF2X Radio firmware version 3.2.2 and earlier vulnerable to firmware modification attacks. An attacker can conduct a man-in-the-middle (MITM) attack to modify the new firmware image and bypass the checksum verification.

Published

2023-02-02T17:17:55.517

Last Modified

2025-03-26T19:15:22.467

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

Weaknesses

Type: Primary
CWE-354
Type: Secondary
CWE-354

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	ui	af-2x_firmware	< 3.2.2	Yes
Hardware	ui	af-2x	-	No

References

https://community.ui.com/tags/security/releases Vendor Advisory ([email protected])
https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/SkYce4f5o Exploit, Third Party Advisory ([email protected])
https://community.ui.com/tags/security/releases Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/SkYce4f5o Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)