CVE-2023-36354

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

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR740N V1/V2, TL-WR940N V2/V3, and TL-WR941ND V5/V6 were discovered to contain a buffer overflow in the component /userRpm/AccessCtrlTimeSchedRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Affected (4)

Products: Tp Link: Tl Wr841n Firmware, Tl Wr740n Firmware, Tl Wr940n Firmware, Tl Wr941nd Firmware

4 products

Configuration A

1 platform

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

Configuration B

1 platform

Running on/with	Platform Versions
Tp Link Tl Wr841n	Version v8

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tp Link Tl Wr841n Firmware	All versions

Running on/with	Platform Versions
Tp Link Tl Wr841n	Version v10

Configuration D

1 platform

Running on/with	Platform Versions
Tp Link Tl Wr740n	Version v1

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tp Link Tl Wr740n Firmware	All versions

Running on/with	Platform Versions
Tp Link Tl Wr740n	Version v2

Configuration F

1 platform

Running on/with	Platform Versions
Tp Link Tl Wr940n	Version v2

Configuration G

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 v3

Configuration H

1 platform

Running on/with	Platform Versions
Tp Link Tl Wr941nd	Version v5

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tp Link Tl Wr941nd Firmware	All versions

Running on/with	Platform Versions
Tp Link Tl Wr941nd	Version v6

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 (2)

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/7/TL-WR940N_TL-WR841N_TL-WR740N_TL-WR941ND_userRpm_AccessCtrlTimeSchedRpm.md

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/7/TL-WR940N_TL-WR841N_TL-WR740N_TL-WR941ND_userRpm_AccessCtrlTimeSchedRpm.md

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

ExploitThird Party Advisory

Timeline

No history available yet.