CVE-2025-20794 — Stack-based Buffer Overflow in INC Mediatek Chipset

CWE-121 — Stack-based Buffer Overflow3 documents3 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 75.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mediatek INC Mediatek Chipset
Timeline
PublishedJan 6

Description

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01689259 / MOLY01586470; Issue ID: MSV-4847.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶CVEListV5mediatek_inc/mediatek_chipset50 versions+49

🔴Vulnerability Details

2
GHSA
GHSA-2979-3fv7-8r3w: In Modem, there is a possible system crash due to improper input validation↗2026-01-06
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CVEList
CVE-2025-20794: In Modem, there is a possible system crash due to improper input validation↗2026-01-06
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CVE-2025-20794 — Stack-based Buffer Overflow | cvebase