PT-2023-3453 · Tp Link · Tp-Link Tl-Wr841N+2

Published 2023-06-20 · Updated 2024-12-10 · CVE-2023-36359

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TP-Link TL-WR940N versions V2 through V4 TP-Link TL-WR841N versions V8 through V10 TP-Link TL-WR941ND versions V5 through V6

Description A buffer overflow was discovered in the /userRpm/QoSRuleListRpm component of TP-Link routers, allowing attackers to cause a Denial of Service (DoS) via a crafted GET request to the /userRpm/QoSRuleListRpm endpoint. The vulnerability is related to the QoSRuleListRpm component and can be exploited by sending a specially crafted request, potentially allowing a remote attacker to cause a service disruption.

Recommendations For TP-Link TL-WR940N versions V2 through V4, consider disabling access to the /userRpm/QoSRuleListRpm endpoint until a patch is available. For TP-Link TL-WR841N versions V8 through V10, restrict access to the QoSRuleListRpm component to minimize the risk of exploitation. For TP-Link TL-WR941ND versions V5 through V6, avoid using the vulnerable QoSRuleListRpm component until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Buffer Overflow

Weakness Enumeration

CWE-404

CWE-120

Related Identifiers

BDU:2023-03637

CVE-2023-36359

Affected Products

Tp-Link Tl-Wr841N

Tp-Link Tl-Wr940N

Tp-Link Tl-Wr941Nd

References · 5

• 🔥 https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/8/TP-Link%20TL-WR940N%20TL-WR841N%20TL-WR941ND%20wireless%20router%20userRpmQoSRuleListRpm%20buffer%20read%20out-of-bounds%20vulnerability.md · Exploit
• https://bdu.fstec.ru/vul/2023-03637 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-36359 · Security Note
• https://vuldb.com/ru/?id.232198 · Note
• https://t.me/cvenotify/103796 · Telegram Post