CVE-2025-20743

MEDIUM
Published Nov 4, 2025 Modified Nov 5, 2025 CWE-416

Description

In clkdbg, there is a possible escalation of privilege 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: ALPS10136671; Issue ID: MSV-4651.

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CVSS v3.1 Score

4.2
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor Product
google android
google android
google android
mediatek mt2718
mediatek mt6761
mediatek mt6765
mediatek mt6768
mediatek mt6781
mediatek mt6853
mediatek mt6877
mediatek mt6886
mediatek mt6893
mediatek mt6897
mediatek mt6899
mediatek mt6983
mediatek mt6989
mediatek mt6991
mediatek mt8113
mediatek mt8163
mediatek mt8168
mediatek mt8169
mediatek mt8183
mediatek mt8186
mediatek mt8188
mediatek mt8195
mediatek mt8196
mediatek mt8321
mediatek mt8365
mediatek mt8385
mediatek mt8390
mediatek mt8391
mediatek mt8512
mediatek mt8516
mediatek mt8519
mediatek mt8676
mediatek mt8678
mediatek mt8695
mediatek mt8696
mediatek mt8698
mediatek mt8755
mediatek mt8766
mediatek mt8768
mediatek mt8771
mediatek mt8775
mediatek mt8781
mediatek mt8786
mediatek mt8788e
mediatek mt8791t
mediatek mt8792
mediatek mt8793
mediatek mt8796
mediatek mt8797
mediatek mt8798
mediatek mt8873
mediatek mt8883
mediatek mt8893

References

Frequently Asked Questions

What is CVE-2025-20743? +
In clkdbg, there is a possible escalation of privilege 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: ALPS10136671; Issue ID: MSV-4651. It has a CVSS v3.1 base score of 4.2 (MEDIUM).
How severe is CVE-2025-20743? +
CVE-2025-20743 has a CVSS v3.1 score of 4.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-20743? +
CVE-2025-20743 affects products from google, mediatek, specifically: android, mt2718, mt6761, mt6765, mt6768, mt6781, mt6853, mt6877, mt6886, mt6893, mt6897, mt6899, mt6983, mt6989, mt6991, mt8113, mt8163, mt8168, mt8169, mt8183, mt8186, mt8188, mt8195, mt8196, mt8321, mt8365, mt8385, mt8390, mt8391, mt8512, mt8516, mt8519, mt8676, mt8678, mt8695, mt8696, mt8698, mt8755, mt8766, mt8768, mt8771, mt8775, mt8781, mt8786, mt8788e, mt8791t, mt8792, mt8793, mt8796, mt8797, mt8798, mt8873, mt8883, mt8893. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-20743? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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