CVE-2023-25280 D-Link DIR-820 Router: command or code injection
In plain words: The program treats text it receives as instructions instead of plain data. The attacker can run commands on the machine — often the whole device is taken over.
Confirmed exploited by CISA on · US federal patch deadline Oct 21, 2024
What to do
- Install D-Link's security update for DIR-820 Router. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Turn on automatic firmware updates and replace gear the maker no longer supports.
- Change default passwords and switch off remote administration and features you do not use.
- Do not put storage boxes or cameras directly on the internet — use the maker's app or a VPN.
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: Taken over in bulk to join botnets, used to watch your traffic, or — for storage boxes — locked by ransomware.
The details
- Official name
- D-Link DIR-820 Router OS Command Injection Vulnerability
- Product
- D-Link DIR-820 Router
- CISA description
- D-Link DIR-820 routers contain an OS command injection vulnerability that allows a remote, unauthenticated attacker to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp.
- Type of flaw
- Command or code injection (CWE-78)
- Confirmed exploited
- Sep 30, 2024
- US federal patch deadline
- Oct 21, 2024
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Answering about CVE-2023-25280 ·
Questions about CVE-2023-25280
Is CVE-2023-25280 being exploited?
Yes. CISA added CVE-2023-25280 to its Known Exploited Vulnerabilities catalog on Sep 30, 2024, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2023-25280?
Install D-Link's security update for DIR-820 Router. If no update exists, follow the vendor's workaround or stop using the product until one ships. Turn on automatic firmware updates and replace gear the maker no longer supports.
Am I affected by CVE-2023-25280?
Only if you use D-Link DIR-820 Router. This one is aimed at devices or apps of the kind people own.