What’s Vulnerable › Vulnerabilities

CVE-2026-20434

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-02 · updated 2026-06-17
• Weakness: CWE-787

Description

In Modem, there is a possible out of bounds write due to a missing bounds check. 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 needed for exploitation. Patch ID: MOLY00782946; Issue ID: MSV-4135.

Affected products

• Mediatek Lr12A: all versions
• Mediatek Lr13: all versions
• Mediatek Nr15: all versions
• Mediatek Nr16: all versions
• Mediatek Nr17: all versions

References

• https://corp.mediatek.com/product-security-bulletin/March-2026

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