MediaTek MT8798 WLAN Firmware denial of service

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as problematic, was found in MediaTek MT5221, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT7663, MT7668, MT7902, MT7921, MT8168, MT8365, MT8518S, MT8532, MT8666, MT8673, MT8675, MT8695, MT8766, MT8768, MT8781, MT8786, MT8789, MT8791, MT8797 and MT8798 (Chip Software). Affected is an unknown functionality of the component WLAN Firmware. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

In wlan firmware, there is a possible firmware assertion due to improper input handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07932637; Issue ID: ALPS07932637.

The weakness was disclosed 10/02/2023 as ALPS07932637. The advisory is shared for download at This vulnerability is traded as CVE-2023-32820 since 05/16/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying the patch ALPS07932637 is able to eliminate this problem.






CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ALPS07932637


05/16/2023 CVE reserved
10/02/2023 +139 days Advisory disclosed
10/02/2023 +0 days VulDB entry created
10/23/2023 +21 days VulDB entry last update


Advisory: ALPS07932637
Status: Confirmed

CVE: CVE-2023-32820 (🔒)


Created: 10/02/2023 08:08 AM
Updated: 10/23/2023 08:37 AM
Changes: 10/02/2023 08:08 AM (41), 10/23/2023 08:37 AM (11)
Complete: 🔍


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