Medium severity · published Dec 2, 2025
CVE-2025-20754
In Modem, there is a possible system crash due to an incorrect bounds check
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
In Modem, there is a possible system crash due to an incorrect bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01689251; Issue ID: MSV-4840.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
MT2735, MT2737, MT6813, MT6833, MT6833P, MT6835, MT6835T, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6878, MT6878M, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, · MediaTek, Inc.
Modem NR15, NR16, NR17, NR17R · source: vendor
NR
Nr15 · Mediatek
All versions, or not specified · source: NVD
NR
Nr16 · Mediatek
All versions, or not specified · source: NVD
NR
Nr17 · Mediatek
All versions, or not specified · source: NVD
NR
Nr17r · Mediatek
All versions, or not specified · source: NVD
Affected product
MM
MT2735, MT2737, MT6813, MT6833, MT6833P, MT6835, MT6835T, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6878, MT6878M, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983,
MediaTek, Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20754
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20754
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/December-2025
More from MT2735, MT2737, MT6813, MT6833, MT6833P, MT6835, MT6835T, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6878, MT6878M, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983,
6.5
CVE-2025-20752
In Modem, there is a possible system crash due to a missing bounds check
6.5
CVE-2025-20703
In Modem, there is a possible out of bounds read due to an incorrect bounds check
4.9
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In Modem, there is a possible system crash due to an uncaught exception