Quick answers
- Is CVE-2026-20485 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20485 being exploited in the wild.
- How severe is CVE-2026-20485?
- Medium severity, with a CVSS score of 6, published 3 August 2026.
- Which products and versions are affected?
- MediaTek HFRP.
- Is there a fix for CVE-2026-20485?
- A patch was published on 2026-08-03: Patch ID ALPS11049569 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-20485 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-20485?
- Check whether you run MediaTek HFRP, MediaTek MT6993 or MediaTek Mt6993 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an out-of-bounds write (CWE-787) in MediaTek's HFRP component, caused by a missing bounds check. An attacker who has already obtained System privilege can exploit this vulnerability without requiring user interaction to achieve local privilege escalation. The affected component likely resides in the firmware or bootloader code executed with elevated privileges. MediaTek has released patches (Patch ID: ALPS11049569) and this issue has not been observed in active exploitation as of the advisory publication date.
Affected products
- MediaTek HFRP
Timeline
- 2026-08-03: disclosed
- 2026-08-03: patched: Patch ID ALPS11049569 released