Out-of-bounds write in MediaTek, Inc. MediaTek Chipset
CVSS score
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EPSS probability
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Risk score
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Published
3 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
2
Source agreement
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Evidence confidence
%63
Short explanation
An out-of-bounds write vulnerability exists in the MediaTek chipset modem component due to an integer overflow. This can lead to remote escalation of privilege if user equipment connects to a rogue base station controlled by an attacker.
This vulnerability can be exploited without user interaction and requires no additional execution privileges. It enables attackers to elevate privileges via malicious rogue base stations.
What should be done?
- Follow vendor security bulletins for patch information
- Check patch IDs MOLY01872867 and MOLY01774038
- Apply updates according to vendor advisories
Chain of evidence and sources
MediaTek chipset modem bileşeninde integer overflow kaynaklı sınır dışı yazma zafiyeti bulunmaktadır.
Zafiyet, cihazın saldırgan kontrolündeki sahte baz istasyonuna bağlanması durumunda uzaktan ayrıcalık artırımına yol açabilir.
Show the technical text from the sources
In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, 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: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.
CWE: CWE-787
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-20548 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | MediaTek, Inc. | MediaTek chipset | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20548 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-2026-20548 weaknesses.
Official Sources and Advisories
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Weakness Type (CWE & CAPEC)
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