CVE-2023-1389
Published: May 1, 2023
Official Description
TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.
CISA KEV Advisory
TP-Link Archer AX-21 Command Injection Vulnerability
TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.
Apply updates per vendor instructions.
Risk Analysis
TP-Link Archer AX-21 is affected by a command injection vulnerability that can lead to remote code execution. The high EPSS score of 0.93645 indicates a significant likelihood of exploitation, making this a critical issue. Its inclusion in CISA's KEV confirms that this flaw is actively being exploited.
Active exploitation of this vulnerability has been observed in the wild. The flaw is remotely exploitable, allowing for remote code execution.
Update TP-Link Archer AX-21 firmware to the latest secure version. Ensure the router's administrative interface is not exposed to the internet and use strong, unique passwords.
Technical Analysis
CVE-2023-1389 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2023-1389 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-1389 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1