CVE-2025-20674 Missing authorization in MT6890, MT6990, MT7915, MT7916, MT7981, MT7986, MT7990, MT7992, MT7993
Remote attackers can inject arbitrary packets and escalate privileges in MediaTek Wi-Fi AP drivers due to missing permission checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20674?
CVE-2025-20674 is a critical missing authorization vulnerability in Mediatek Software Development Kit, published on 2 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In wlan AP driver, there is a possible way to inject arbitrary packet due to a missing permission check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413202; Issue ID: MSV-3303.
Weakness: CWE-863
Which versions are affected by CVE-2025-20674?
It affects 2 products.
Products include Mediatek Software Development Kit, Openwrt Openwrt.
How do I fix CVE-2025-20674?
No fix has been published for CVE-2025-20674 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-20674 being exploited?
There is no known exploitation of CVE-2025-20674 in the wild and no public exploit code.
Other vulnerabilities in Mediatek Software Development Kit
- CVE-2025-20681 Memory corruption in MT6890, MT7615, MT7622, MT7663, MT7915
- CVE-2025-20682 Memory corruption in MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
- CVE-2025-20683 Memory corruption in MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986
- CVE-2025-20684 Memory corruption in MT7615, MT7622, MT7663
- CVE-2025-20646 Memory corruption in MT6890, MT7915, MT7916, MT7981, MT7986
Sources
Also known as GHSA-mxj6-x52w-4g7m.