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VulnerabilityPublished

CVE-2026-20593: MediaTek chipset · Reachable Assertion

Affects MediaTek chipsetSource CVE Database V5

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Not known to be exploited.

Data as of 2 Nov 2026, 02:58 UTC

Severity
High

Rated High by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
MediaTek, Inc.MediaTek chipsetAffected
  • MT2716 – MT8893
74 affected builds
Fixed in–

AI-suggested

A patch identified as MOLY01707455 exists for this vulnerability. Users and device manufacturers should apply the official MediaTek fix to remediate the issue. No additional mitigation steps are indicated or required beyond applying the patch.

Description

CVE-2026-20593 is a vulnerability in MediaTek chipsets that causes a reachable assertion failure in the modem component due to improper input validation. This flaw can lead to an application crash resulting in a remote denial of service (DoS) if a user equipment (UE) connects to a rogue base station controlled by an attacker. Exploitation does not require user interaction or additional execution privileges.

References

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