CVE-2023-30383

HighCVSS 7.5

Published: 18/07/2023(UTC)Updated: 09/07/2026(UTC)Translated: 10/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Elevated risk

1.05%

60th 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

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.

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.