PT-2022-27757 · Tp Link · Tp-Link Tl-Wr940N

Published 2022-12-20 · Updated 2022-12-28 · CVE-2022-46139

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions TP-Link TL-WR940N V4 versions 3.16.9 and earlier

Description The issue allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.

Recommendations For TP-Link TL-WR940N V4 versions 3.16.9 and earlier, update to a version later than 3.16.9 to resolve the issue. As a temporary workaround, consider restricting access to the firmware update process to minimize the risk of exploitation.

Exploit

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

CVE-2022-46139

Affected Products

Tp-Link Tl-Wr940N

References · 6

• 🔥 https://hackmd.io/@slASVrz_SrW7NQCsunofeA/HJH7LSZPj · Exploit
• https://osv.dev/vulnerability/CVE-2022-46139 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-46139 · Security Note
• https://t.me/cvenotify/40267 · Telegram Post
• https://t.me/cibsecurity/55001 · Telegram Post
• https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/HJH7LSZPj · Note