CVE-2023-36355

Published: Jun 22, 2023Modified: Jun 17, 2026

9.9

Vector

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

Exploitability: 3.1 / Impact: 6.0

Source: NVD

Description

TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Affected (1)

Products: Tp Link: Tl Wr940n Firmware

Tp Link

1 product

Tl Wr940n Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tp Link Tl Wr940n Firmware	All versions

Running on/with	Platform Versions
Tp Link Tl Wr940n	Version v4

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (4)

http://packetstormsecurity.com/files/173294/TP-Link-TL-WR940N-4-Buffer-Overflow.html

Source: cve@mitre.org

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/9/TP-Link%20TL-WR940N%20wireless%20router%20userRpmWanDynamicIpV6CfgRpm%20buffer%20write%20out-of-bounds%20vulnerability.md

Source: cve@mitre.org

ExploitThird Party Advisory

http://packetstormsecurity.com/files/173294/TP-Link-TL-WR940N-4-Buffer-Overflow.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/9/TP-Link%20TL-WR940N%20wireless%20router%20userRpmWanDynamicIpV6CfgRpm%20buffer%20write%20out-of-bounds%20vulnerability.md

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.