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CRITICAL

CVE-2023-39747

CVSS v3

9.8

CRITICAL

EPSS Score

8.7 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2023-08-21

Frequently asked questions

What is CVE-2023-39747?

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.

Is CVE-2023-39747 actively exploited?

Active exploitation of CVE-2023-39747 has not been confirmed. Its EPSS score was 8.7% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-39747?

CVE-2023-39747 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-39747 affecting your environment?

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