Rdk B
CVE-2023-20725
MEDIUM
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07734004 / ALPS07874358 (For MT6880, MT6890, MT6980, MT6990 only); Issue ID: ALPS07734004 / ALPS07874358 (For MT6880, MT6890, MT6980, MT6990 only).
AnalysisAI
In preloader, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07734004 / ALPS07874358 (For MT6880, MT6890, MT6980, MT6990 only); Issue ID: ALPS07734004 / ALPS07874358 (For MT6880, MT6890, MT6980, MT6990 only). Affected products include: Rdkcentral Rdk-B, Google Android, Openwrt.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Memory Corruption
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External POC / Exploit Code
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