Remote service interruption via unchecked modem buffer write
Published Jan 2, 2024 · Updated Jun 18, 2025
Out-of-bounds write in MediaTek Modem IMS Call UA NR15, NR16, and NR17 allows remote attackers to interrupt modem service. Within the call user agent, a missing bounds check permits data to be written outside the intended memory buffer. No privileges or user interaction are required; MediaTek reports remote denial of service but does not disclose whether the failure crashes or hangs the modem.
Summary
What happened
Out-of-bounds write in MediaTek Modem IMS Call UA NR15, NR16, and NR17 allows remote attackers to interrupt modem service. Within the call user agent, a missing bounds check permits data to be written outside the intended memory buffer. No privileges or user interaction are required; MediaTek reports remote denial of service but does not disclose whether the failure crashes or hangs the modem.
The record
- CVE
- CVE-2023-32889
- Published
- Jan 2, 2024
- Updated
- Jun 18, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-787, T1499
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 2, 2024CVE publishedPublication date reported by the CVE source.
- Jun 18, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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