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10.0

A buffer overflow vulnerability found in the UniFi Door Access Reader Lite’s (UA Lite) firmware (Version 3.8.28.24 and earlier) allows a malicious actor who has gained access to a network to contro...

CVE-2022-22570 · published 4 years ago
Summary

A buffer overflow vulnerability found in the UniFi Door Access Reader Lite’s (UA Lite) firmware (Version 3.8.28.24 and earlier) allows a malicious actor who has gained access to a network to control all connected UA devices. This vulnerability is fixed in Version 3.8.31.13 and later.

What to do
  • Update ui ua_lite_firmware to version 3.8.31.13 or later.
Affected software
VendorProductAffected versions
ui ua_lite_firmware < 3.8.31.13
cpe:2.3:o:ui:ua_lite_firmware:*:*:*:*:*:*:*:*
Original advisory text
A buffer overflow vulnerability found in the UniFi Door Access Reader Lite’s (UA Lite) firmware (Version 3.8.28.24 and earlier) allows a malicious actor who has gained access to a network to contro...
A buffer overflow vulnerability found in the UniFi Door Access Reader Lite’s (UA Lite) firmware (Version 3.8.28.24 and earlier) allows a malicious actor who has gained access to a network to control all connected UA devices. This vulnerability is fixed in Version 3.8.31.13 and later.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
10.0 Critical
Exploitation
1% chance of attack within 30 days
Type
CWE-120Classic Buffer Overflow
Timeline
Published1 Apr 2022
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2022-22570 · NVD
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