CVE-2025-43977
T-Mobile Dialer Unauthenticated Phone Call Vulnerability
Description
The com.skt.prod.dialer application through 12.5.0 for Android enables any installed application (with no permissions) to place phone calls without user interaction by sending a crafted intent via the com.skt.prod.dialer.activities.outgoingcall.OutgoingCallInternalBroadcaster component.
INFO
Published Date :
July 21, 2025, 3:15 p.m.
Last Modified :
Aug. 7, 2025, 6:14 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update the com.skt.prod.dialer application to the latest version.
- Review application intent filters for sensitive components.
- Implement permission checks for call placement intents.
Public PoC/Exploit Available at Github
CVE-2025-43977 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-43977.
| URL | Resource |
|---|---|
| https://github.com/actuator/com.skt.prod.dialer | Third Party Advisory |
| https://github.com/actuator/com.skt.prod.dialer/blob/main/CVE-2025-43977 | Third Party Advisory |
| https://play.google.com/store/apps/details?id=com.skt.prod.dialer | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-43977 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-43977
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Public Cybersecurity Research & Advisories
cve security-advisories vulnerability-research proof-of-concept vulnerabilities
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-43977 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-43977 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 07, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Added CWE CWE-862 Added CPE Configuration OR *cpe:2.3:a:sktelecom:com.skt.prod.dialer:12.5.0:*:*:*:*:android:*:* Added Reference Type MITRE: https://github.com/actuator/com.skt.prod.dialer Types: Third Party Advisory Added Reference Type MITRE: https://github.com/actuator/com.skt.prod.dialer/blob/main/CVE-2025-43977 Types: Third Party Advisory Added Reference Type MITRE: https://play.google.com/store/apps/details?id=com.skt.prod.dialer Types: Product -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 22, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L -
New CVE Received by [email protected]
Jul. 21, 2025
Action Type Old Value New Value Added Description The com.skt.prod.dialer application through 12.5.0 for Android enables any installed application (with no permissions) to place phone calls without user interaction by sending a crafted intent via the com.skt.prod.dialer.activities.outgoingcall.OutgoingCallInternalBroadcaster component. Added Reference https://github.com/actuator/com.skt.prod.dialer Added Reference https://github.com/actuator/com.skt.prod.dialer/blob/main/CVE-2025-43977 Added Reference https://play.google.com/store/apps/details?id=com.skt.prod.dialer