CVE-2023-39747

CRITICAL

Tp-link Tl-wr940n V2 Firmware - Buffer Overflow

Title source: rule

Description

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.

References (1)

Core 1

Core References

Exploit, Third Party Advisory

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/17/TP-Link%20WR841N%20wireless%20router%20WlanSecurityRpm%20Stack%20Overflow%20vulnerability.md

Scores

CVSS v3 9.8

EPSS 0.1160

EPSS Percentile 93.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-120

Status published

Products (3)

tp-link/tl-wr841n_v8_firmware

tp-link/tl-wr940n_v2_firmware

tp-link/tl-wr941nd_v5_firmware

Published Aug 21, 2023

Tracked Since Feb 18, 2026