# OpenRISC vulnerabilities

Source: https://junglewise.ai/threats/vendors/openrisc  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/openrisc.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in OpenRISC: 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2025-51679, was published on 26 August 2026. Nothing was published in the last eight weeks. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 3 (1 critical, 0 exploited in the wild)

## About OpenRISC

An open-source project focused on developing a series of RISC-based microprocessor architectures.

## Latest OpenRISC vulnerabilities

- [CVE-2025-51679: openRISC OR1200 RTL-to-netlist mismatch in program counter](https://junglewise.ai/threats/cve-2025-51679-openrisc-or1200-rtl-to-netlist-mismatch-in-program-counter) (critical, CVSS 9.1, published 26 Aug 2026)
- [CVE-2025-51675: openRISC OR1200 program counter update logic error](https://junglewise.ai/threats/cve-2025-51675-openrisc-or1200-program-counter-update-logic-error) (high, CVSS 7.5, published 26 Aug 2026)
- [CVE-2025-51677: openRISC OR1200 data mismatch in Load-Store Unit debugging interface](https://junglewise.ai/threats/cve-2025-51677-openrisc-or1200-data-mismatch-in-load-store-unit-debugging) (info, CVSS 0, published 17 Jul 2026)

## Most severe OpenRISC vulnerabilities

- [CVE-2025-51679: openRISC OR1200 RTL-to-netlist mismatch in program counter](https://junglewise.ai/threats/cve-2025-51679-openrisc-or1200-rtl-to-netlist-mismatch-in-program-counter) (critical, CVSS 9.1, published 26 Aug 2026)
- [CVE-2025-51675: openRISC OR1200 program counter update logic error](https://junglewise.ai/threats/cve-2025-51675-openrisc-or1200-program-counter-update-logic-error) (high, CVSS 7.5, published 26 Aug 2026)
- [CVE-2025-51677: openRISC OR1200 data mismatch in Load-Store Unit debugging interface](https://junglewise.ai/threats/cve-2025-51677-openrisc-or1200-data-mismatch-in-load-store-unit-debugging) (info, CVSS 0, published 17 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 2 | 1 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## OpenRISC technologies

- [OpenRISC OR1200](https://junglewise.ai/threats/technologies/or1200): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "OpenRISC vulnerabilities", https://junglewise.ai/threats/vendors/openrisc, 9 November 2026.