CVE-2025-52663VulnerabilityPublished 30 Oct 2025Updated 2 Dec 2025

CVE-2025-52663: Ubiquiti UniFi Talk Touch · Vulnerability

Affects Ubiquiti UniFi Talk TouchSource CVE Database V5

Not known to be exploited · CVSS 7.3 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score

7.3High

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 30 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Ubiquiti Inc UniFi Talk Touch	Affected <=1.21.16	Fixed in–

AI-suggested

1. Immediate deployment of firmware updates to the fixed versions: 1.21.17+ for UniFi Talk Touch, 2.21.23+ for Talk Touch Max, and 3.21.27+ for Talk G3 Phones. 2. Restrict network access to the UniFi Talk management network segment using network segmentation and firewall rules to limit exposure only to trusted administrators. 3. Implement strict access controls and monitoring on management interfaces to detect anomalous API calls or debug operation attempts. 4. Conduct regular audits of device configurations to ensure no leftover debug or test functionalities are enabled. 5. Employ network intrusion detection systems (NIDS) tuned to detect unusual API usage patterns associated with debug operations. 6. Educate IT staff about the vulnerability and the importance of applying patches promptly. 7. For environments where immediate patching is not feasible, consider isolating affected devices from untrusted networks or deploying compensating controls such as VPNs with strong authentication for management access.

Description

A vulnerability was identified in certain UniFi Talk devices where internal debugging functionality remained unintentionally enabled. This issue could allow an attacker with access to the UniFi Talk management network to invoke internal debug operations through the device API. Affected Products: UniFi Talk Touch (Version 1.21.16 and earlier) UniFi Talk Touch Max (Version 2.21.22 and earlier) UniFi Talk G3 Phones (Version 3.21.26 and earlier) Mitigation: Update the UniFi Talk Touch to Version 1.21.17 or later. Update the UniFi Talk Touch Max to Version 2.21.23 or later. Update the UniFi Talk G3 Phones to Version 3.21.27 or later.

Impact

For European organizations, this vulnerability poses a significant threat to the security and reliability of their telephony infrastructure. UniFi Talk devices are often deployed in enterprise environments for VoIP communications, making them critical for daily operations. Exploitation could lead to unauthorized access to call data, interception or manipulation of communications, and disruption of telephony services, impacting business continuity and confidentiality. Given the network-based attack vector and lack of authentication requirement, attackers who gain access to the management network—whether through lateral movement or misconfigurations—could leverage this vulnerability to escalate their foothold. This risk is amplified in sectors with stringent privacy and data protection requirements, such as finance, healthcare, and government agencies. Additionally, disruption of telephony services could affect emergency communications and operational coordination. The absence of known exploits reduces immediate risk but does not eliminate the threat, especially as threat actors may develop exploits once the vulnerability is public. Therefore, timely patching is critical to mitigate potential impacts.

CWE-489Active Debug Code (opens in a new tab)
Base weaknessOWASP Top 10 A02:2025: Security Misconfiguration (opens in a new tab)
The product is released with debugging code still enabled or active.
Build and Compilation · Distribution
Remove debug code before deploying the application.
Attack patterns
Exploit Non-Production Interfaces (opens in a new tab)
Root/Jailbreak Detection Evasion via Debugging (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

community.ui.com/releases/Security-Advisory-Bulletin-055-055/9b65527b-489c-4f16-ac34-2b887754db1e (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 2 Dec 2025, 19:29 UTC

WeaknessesCWE-489

Technical details

References

Community reviews

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