7.8
HIGH CVSS 3.1
CVE-2025-20705
Citrix Hypervisor Memory Corruption (Use After Free)
Description

In monitor_hang, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09989078; Issue ID: MSV-3964.

INFO

Published Date :

Sept. 1, 2025, 6:15 a.m.

Last Modified :

Sept. 3, 2025, 4:07 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-20705 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mediatek mt2735
2 Mediatek mt6781
3 Mediatek mt6789
4 Mediatek mt6835
5 Mediatek mt6853
6 Mediatek mt6855
7 Mediatek mt6877
8 Mediatek mt6878
9 Mediatek mt6879
10 Mediatek mt6880
11 Mediatek mt6883
12 Mediatek mt6885
13 Mediatek mt6886
14 Mediatek mt6889
15 Mediatek mt6890
16 Mediatek mt6893
17 Mediatek mt6895
18 Mediatek mt6897
19 Mediatek mt6980d
20 Mediatek mt6985
21 Mediatek mt6989
22 Mediatek mt6990
23 Mediatek mt6739
24 Mediatek mt6761
25 Mediatek mt6765
26 Mediatek mt6768
27 Mediatek mt6983
28 Mediatek mt8188
29 Mediatek mt8676
30 Mediatek mt8678
31 Mediatek mt8775
32 Mediatek mt8792
33 Mediatek mt8796
34 Mediatek mt8169
35 Mediatek mt8186
36 Mediatek mt8696
37 Mediatek mt6899
38 Mediatek mt6991
39 Mediatek mt2718
1 Google android
1 Openwrt openwrt
1 Linuxfoundation yocto
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Patch the vulnerability to fix memory corruption and prevent privilege escalation.
  • Apply the security update to address the vulnerability.
  • Update the affected software component to the latest version.
  • Monitor system integrity after applying patches.
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-2025-20705.

URL Resource
https://corp.mediatek.com/product-security-bulletin/September-2025 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-20705 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-2025-20705 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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-20705 vulnerability anywhere in the article.

  • CybersecurityNews
MediaTek Security Update – Patch for Multiple Vulnerabilities Across Chipsets

MediaTek today published a critical security bulletin addressing several vulnerabilities across its latest modem chipsets, urging device OEMs to deploy updates immediately. The bulletin, issued two mo ... Read more

Published Date: Sep 01, 2025 (3 days, 16 hours ago)
  • Daily CyberSecurity
MediaTek September 2025 Security Bulletin: High-Severity Modem Flaws Could Enable Remote Attacks

MediaTek has published its September 2025 Product Security Bulletin, disclosing several high- and medium-severity vulnerabilities affecting a wide range of its chipsets. While there is “no evidence th ... Read more

Published Date: Sep 01, 2025 (3 days, 21 hours ago)

The following table lists the changes that have been made to the CVE-2025-20705 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]

    Sep. 03, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* *cpe:2.3:a:linuxfoundation:yocto:2.6:*:*:*:*:*:*:* *cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:* *cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:* *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:16.0:*:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt2735:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6880:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8169:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6980d:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8696:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
    Added Reference Type MediaTek, Inc.: https://corp.mediatek.com/product-security-bulletin/September-2025 Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 02, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • New CVE Received by [email protected]

    Sep. 01, 2025

    Action Type Old Value New Value
    Added Description In monitor_hang, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09989078; Issue ID: MSV-3964.
    Added CWE CWE-416
    Added Reference https://corp.mediatek.com/product-security-bulletin/September-2025
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact