CVE-2023-39747 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr940N V2 Firmware	-
Tp-Link	Tl-Wr940N V2	-
Tp-Link	Tl-Wr941Nd V5 Firmware	-
Tp-Link	Tl-Wr941Nd V5	-
Tp-Link	Tl-Wr841N V8 Firmware	-
Tp-Link	Tl-Wr841N V8	-

Related Weaknesses (CWE)

CWE-120

References

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/17/TP-Link%20WR841N%20wExploitThird Party Advisory
https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/17/TP-Link%20WR841N%20wExploitThird Party Advisory

FAQ

What is CVE-2023-39747?

CVE-2023-39747 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2023-39747?

CVE-2023-39747 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-39747?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr940N V2 Firmware, Tp-Link Tl-Wr940N V2, Tp-Link Tl-Wr941Nd V5 Firmware, Tp-Link Tl-Wr941Nd V5, Tp-Link Tl-Wr841N V8 Firmware.