CVE-2023-30383
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk60th percentile - higher than 60% of all known CVEs
Summary
A buffer overflow vulnerability was discovered in TP-LINK Archer C50v2, C20v1, and C2v1 routers when processing crafted data. This may lead to a Denial of Service (DoS).
Risk Assessment
An attacker can remotely crash the device, making the network unavailable and potentially requiring a manual router restart.
Recommendation
Update the router firmware to the latest version available from the manufacturer's website. If no update is available, consider replacing the device with a newer model.
Other vulnerabilities in TP-LINK Archer
See all- CVE-2026-9254High
An unauthenticated OS command injection vulnerability exists in the parental control functionality of Archer BE800 V1, BE3600 V1, and AX75 V1 due to improper filtering and neutralization of special characters in certain parameters. A LAN-based attacker can inject arbitrary commands and execute them with root privileges. Successful exploitation may result in complete device compromise and impact the confidentiality, integrity, and availability of the affected device and network traffic.
- CVE-2026-0631High
An OS command injection vulnerability exists in the Surfshark VPN login functionality in TP-Link Archer BE230 v1.2, BE3600v1, AX10 v3, and AXE75 v1, allowing an adjacent authenticated attacker to execute arbitrary code. Successful exploitation could give full administrative control of the device. This affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420 and Archer AXE75 v1 < 1.5.6 Build 20260623.
Original NVD description (English source)
TP-LINK Archer C50v2 Archer C50(US)_V2_160801, TP-LINK Archer C20v1 Archer_C20_V1_150707, and TP-LINK Archer C2v1 Archer_C2_US__V1_170228 were discovered to contain a buffer overflow which may lead to a Denial of Service (DoS) when parsing crafted data.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS