Is CVE-2022-43636 actively exploited?

CVE-2022-43636 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2022-43636?

CVE-2022-43636 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-43636?

Patch guidance is available from tp-link security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-43636.

Which products are affected by CVE-2022-43636?

1 product: tp-link tl-wr940n firmware.

Fix CVE-2022-43636 - HIGH tp-link tl-wr940n firmware

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of sufficient randomness in the sequnce numbers used for session managment. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-18334.

CVSS Metrics

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: adjacent network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-330

Metadata

Primary Vendor: TP-LINK
Published: 3/29/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2022-43636

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary