CVE-2025-20635
CVE-2025-20635 is a medium-severity vulnerability in Linuxfoundation Yocto with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 6.6)
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-2185
- Weakness: CWE-787
- Affected product: Linuxfoundation Yocto
- Published:
- Last modified:
Description
In V6 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09403752; Issue ID: MSV-2434.
Frequently asked questions
- What is CVE-2025-20635?
- In V6 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09403752; Issue ID: MSV-2434.
- How severe is CVE-2025-20635?
- CVE-2025-20635 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-20635 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-20635?
- CVE-2025-20635 primarily affects Linuxfoundation Yocto. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-20635?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-20635 have an EU (EUVD) identifier?
- Yes. CVE-2025-20635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2185.
- When was CVE-2025-20635 published?
- CVE-2025-20635 was published on 2025-02-03 and last updated on 2026-06-17.
References
Affected products (10)
- cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:rdkcentral:rdk-b:2022q3:*:*:*:*:*:*:*
- cpe:2.3:a:rdkcentral:rdk-b:2024q1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
- cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
- cpe:2.3:o:openwrt:openwrt:22.03.5:*:*:*:*:*:*:*
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