CVE-2023-20820 Command injection in MT6890, MT7603, MT7612, MT7613, MT7615, MT7622, MT7626, MT7629, MT7915, MT7916, MT7981, MT7986, MT7990
Remote attackers can execute arbitrary code with system privileges via command injection in MediaTek Wi-Fi services without user interaction.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20820?
CVE-2023-20820 is a high-severity command injection vulnerability in Openwrt Openwrt, published on 4 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
In wlan service, there is a possible command injection due to improper input validation. This could lead to remote code execution with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00244189; Issue ID: WCNCR00244189.
Which versions are affected by CVE-2023-20820?
It affects 1 product.
Products include Openwrt Openwrt.
How do I fix CVE-2023-20820?
No fix has been published for CVE-2023-20820 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2023-20820 being exploited?
There is no known exploitation of CVE-2023-20820 in the wild and no public exploit code.
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- CVE-2026-30871 OpenWrt Project has Stack-based Buffer Overflow in DNS PTR Query
- CVE-2026-30872 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup
- CVE-2021-28961 Command injection in n/a
Sources
Also known as GHSA-44jc-833q-7hj8.