Vulnerability · CVE-2025-27212

An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network.

Q: Which versions are affected?

Compare what you have installed with Ubiquiti Inc UniFi Access Reader Pro 2.15.9 <2.15.9 2.15.9 <2.15.9. Compare the installed version with the linked vendor advisory before you change production.

Q: What should an analyst verify?

No weakness class is stored. EPSS 1.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Published Aug 4, 2025 · catalog updated Aug 5, 2025 · Ubiquiti Inc UniFi Access Reader Pro

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-27212. EPSS is 1.13%. Act only if a listed version of Ubiquiti Inc UniFi Access Reader Pro is installed.

Gaps on this record

No vendor fix or required action is stored. Compare the linked advisory before you change production.

Severity: Critical9.8
Known exploitation: Not in CISA/VulnCheck KEV
EPSS: 1.13%
Remediation: Version ranges on file
Affected products: vendor Ubiquiti Inc UniFi Access Reader Pro 2.15.9 <2.15.9

An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network. Affected Products: UniFi Access Reader Pro (Version 2.14.21 and earlier) UniFi Access G2 Reader Pro (Version 1.10.32 and earlier) UniFi Access G3 Reader Pro (Version 1.10.30 and earlier) UniFi Access Intercom (Version 1.7.28 and earlier) UniFi Access G3 Intercom (Version 1.7.29 and earlier) UniFi Access Intercom Viewer (Version 1.3.20 and earlier) Mitigation: Update UniFi Access Reader Pro Version 2.15.9 or later Update UniFi Access G

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

vendor Ubiquiti Inc UniFi Access Reader Pro 2.15.9 <2.15.92.15.9 <2.15.9

How to fix CVE-2025-27212

Upgrade
CVE-2025-27212 lists a fix boundary at 2.15.9. Compare the installed build with that boundary before you change production.
Version check
Seen in 2.15.9 <2.15.9
Advisory
Open the cve_org record and follow its fix.
Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-27212. EPSS is 1.13%. Act only if a listed version of Ubiquiti Inc UniFi Access Reader Pro is installed.

Which versions are affected?

Compare what you have installed with Ubiquiti Inc UniFi Access Reader Pro 2.15.9 <2.15.9 2.15.9 <2.15.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

Aug 4, 2025 · EUVD
Detected
An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network. Affected Products: UniFi Access Reader Pro (Version 2.14.21 and earlier) UniFi Access G2 Reader Pro (Version 1.10.32 and earlier) UniFi Access G3 Reader Pro (Version 1.10.30 and earlier) UniFi Access Intercom (Version 1.7.28 and earlier)
Aug 5, 2025 · EUVD
Updated
An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network. Affected Products: UniFi Access Reader Pro (Version 2.14.21 and earlier) UniFi Access G2 Reader Pro (Version 1.10.32 and earlier) UniFi Access G3 Reader Pro (Version 1.10.30 and earlier) UniFi Access Intercom (Version 1.7.28 and earlier)

Sources

CVE.orgVulnerability recordCVE-2025-27212
Official CVE identifier
cve.org
FIRST EPSSExploitation probabilityCVE-2025-27212
30-day exploitation probability 1.13%
first.org
EUVDVulnerability recordEUVD-2025-23556
An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network. Affected Products: UniFi Access Reader Pro (Version 2.14.21 and earlier) UniFi Access G2 Reader Pro (Version 1.10.32 a
euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

FIRST EPSSOct 25, 2026
CVE.orgOct 21, 2026
EUVDOct 20, 2026

Priority score

16/100

Evidence confidence: High

A vendor or government advisory agrees with at least one other source.

Confirmed exploitation0/30
EPSS probability1/20
CVSS severity15/15
Public exploit0/10
Internet exposure0/10
Product prevalence0/5
Detection0/5
Threat research0/5

Decision signals

Four separate signals — do not infer one from another.

Critical

CVSS severity
9.8 v3.1
Technical impact. Separate from exploitation likelihood.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS probability
1.13% · p66.08%
Estimated probability of exploitation within 30 days (FIRST).
Known exploitation
No verified KEV listing
Evidence from CISA KEV or VulnCheck KEV only — not from EPSS alone.
Patch availability
Version ranges on file
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

Stacks

Ubiquiti

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