CVE-2023-39747

CriticalCVSS 9.8

Published: 21/08/2023(UTC)Updated: 17/06/2026(UTC)Translated: 18/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

7.85%

94th percentile - higher than 94% of all known CVEs

Summary

Models TP-Link WR841N V8, TL-WR940N V2, and TL-WR941ND V5 were found to contain a buffer overflow via the radiusSecret parameter at /userRpm/WlanSecurityRpm.

Risk Assessment

An attacker could exploit this vulnerability to execute arbitrary code, potentially leading to device takeover.

Recommendation

It is recommended to update the device firmware to the latest version to mitigate this vulnerability.

Original NVD description (English source)

TP-Link WR841N V8, TP-Link TL-WR940N V2, and TL-WR941ND V5 were discovered to contain a buffer overflow via the radiusSecret parameter at /userRpm/WlanSecurityRpm.