CVE-2025-51678: n/a
An issue was discovered in RISC-V PicoRV32 commit 87c89a. A mismatch in the PCPI INSN and memory address can lead to unexpected behavior.
AI Analysis
Technical Summary
This vulnerability in the RISC-V PicoRV32 core arises from a mismatch between the PCPI instruction (INSN) and the memory address, leading to unexpected processor behavior. The issue was identified in commit 87c89a. According to the CVSS 3.1 vector, the vulnerability is remotely exploitable without privileges or user interaction, and it impacts availability but not confidentiality or integrity. No vendor advisory or patch information is currently available, and no exploits have been reported in the wild.
Potential Impact
The vulnerability can cause a denial of service (availability impact) due to unexpected processor behavior triggered by the mismatch in instruction and memory addressing. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No specific mitigations are provided at this time.
CVE-2025-51678: n/a
Description
An issue was discovered in RISC-V PicoRV32 commit 87c89a. A mismatch in the PCPI INSN and memory address can lead to unexpected behavior.
CVSS v3.1
Score 7.5high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in the RISC-V PicoRV32 core arises from a mismatch between the PCPI instruction (INSN) and the memory address, leading to unexpected processor behavior. The issue was identified in commit 87c89a. According to the CVSS 3.1 vector, the vulnerability is remotely exploitable without privileges or user interaction, and it impacts availability but not confidentiality or integrity. No vendor advisory or patch information is currently available, and no exploits have been reported in the wild.
Potential Impact
The vulnerability can cause a denial of service (availability impact) due to unexpected processor behavior triggered by the mismatch in instruction and memory addressing. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No specific mitigations are provided at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2025-06-16T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5b5eaa2d1edb114c7fb192
Added to database: 07/18/2026, 11:08:26 UTC
Last enriched: 07/25/2026, 22:45:14 UTC
Last updated: 08/27/2026, 22:52:06 UTC
Views: 55
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