What’s Vulnerable › Vulnerabilities

CVE-2021-25477

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-06 · updated 2026-06-17
• Weakness: CWE-415

Description

An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.

Affected products

• Android: 9.0, 10.0, 11.0

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

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